If you are writing a sentence and cannot decide between requestor and requester, you are not dealing with two different meanings. Both words refer to someone who makes a request.
However, requester is the safer and more widely preferred choice in general English, while requestor is also an established word and appears in some formal, legal, administrative, and technical contexts.
Cambridge lists requestor as another form of requester, while Collins describes requestor as a rare spelling of requester.
So, if you simply need the best spelling for everyday or professional writing, use requester.
Quick Answer
Requester and requestor both mean a person who makes a request.
| Word | Meaning | Best general use |
|---|---|---|
| requester | Someone who makes a request | Preferred in most writing |
| requestor | Someone who makes a request | Valid, but less common |
For example:
The requester asked for access to the report.
You could also write:
The requestor asked for access to the report.
The meaning does not change.
If you are unsure which one to choose, requester is the better default. Merriam-Webster defines requester as someone who makes a request and lists its plural as requesters.
What Does Requester Mean?
A requester is a person or organization that asks for something.
The thing being requested might be information, permission, assistance, a document, access, or a service.
For example:
- The requester asked for additional information.
- The requester submitted the application yesterday.
- The requester needs permission to access the file.
- The customer became the requester when they submitted a support ticket.
Cambridge defines requester as a person who asks to see or have something, such as an official record or document. It also lists requestor as another form.
Requester in simple English
Think of it this way:
request → the thing someone asks for
requester → the person making the request
So, if Maria asks a company for a copy of her account records, Maria is the requester.
What Does Requestor Mean?
A requestor is also someone who makes a request.
The word follows the same basic pattern as requester, but it uses -or rather than -er.
For example:
The requestor provided the necessary documents.
The sentence means the same thing as:
The requester provided the necessary documents.
Requestor is not simply a spelling mistake. It is an established English noun. However, it is less common than requester in general usage.
Collins specifically describes requestor in British English as a rare spelling of requester.
Requestor or Requester in the UK?
In British English, both forms exist, but requester is generally the better choice for ordinary writing.
Collins lists requestor in British English but labels it a rare spelling of requester.
That makes the choice fairly simple:
UK general English: requester
Less common alternative: requestor
For a normal email, article, report, application, or business document, requester will usually sound more natural.
For example:
The requester must provide proof of identity.
There is no need to change requester to requestor simply because you are writing for a British audience.
Does British English require -or?
No.
The spelling requestor does not function like a standard British-versus-American spelling pair such as colour/color. You should not assume that requestor = British and requester = American.
Both forms can be found in English, and the difference is mainly one of usage and preference rather than a strict UK/US spelling rule.
Requester or Requestor in Canada?
Canadian English also uses both forms, but there is no general rule saying that Canadians must use requestor instead of requester.
If you are writing for a Canadian audience and have no organization-specific style guide to follow, requester is a clear choice.
For example:
The requester must complete the form before submitting the application.
However, if a particular Canadian organization, software system, legal document, or database consistently uses requestor, it makes sense to follow that established terminology.
In other words, follow the house style when one exists; otherwise, requester is a safe general choice.
Requester vs. Requestee: Are They the Same?
No. Requester and requestee describe different sides of a request.
A requester is the person who makes the request.
A requestee is the person or party to whom the request is made.
Consider this example:
John asked Sarah for the report.
Here:
- John is the requester.
- Sarah is the person receiving the request.
So:
requester = person making the request
requestee = person receiving the request
The distinction becomes useful in business, customer service, legal communication, and administrative writing.
For example:
The requester submitted the form, and the requestee reviewed it.
However, requestee is much less common in ordinary conversation. In many situations, it is clearer to say recipient, person receiving the request, or simply name the person.
Should I Use Requester or Requestor?
Use requester unless you have a specific reason to use requestor.
Here is a simple rule:
Choose requester for general writing
Use requester in:
- Emails
- Articles
- General business writing
- Customer communication
- Reports
- Applications
- Everyday English
- Educational writing
Example:
The requester will receive an email after the application is reviewed.
Choose requestor when a system or organization uses it
You may encounter requestor in:
- Technical documentation
- Software systems
- Administrative terminology
- Legal or formal documents
- Organization-specific terminology
Example:
The system records the requestor’s identification number.
In this situation, changing requestor to requester may make the terminology inconsistent with the system itself.
So the practical rule is:
General English → requester
Established terminology → follow the terminology being used
Why Are There Two Spellings?
The difference comes from two common English noun-forming endings: -er and -or.
The suffix -er commonly forms a noun for someone who performs an action:
- teach → teacher
- write → writer
- drive → driver
- manage → manager
- request → requester
The -or ending also appears in many nouns:
- act → actor
- inspect → inspector
- operate → operator
- supervise → supervisor
- request → requestor
That does not mean you can freely replace -er with -or in every English word. English spelling has developed through different historical patterns, so each word needs to be treated on its own.
In the case of requester/requestor, both forms have established usage.
Requestor or Requester: Examples
Seeing both words in context makes the difference easier to understand.
Examples with requester
The requester asked for a copy of the contract.
The IT team contacted the requester for more information.
The requester must provide a valid email address.
We notified the requester that the application had been approved.
The customer became the requester after submitting a service request.
Examples with requestor
The requestor submitted the access request.
The system sends an alert to the requestor.
The requestor must provide the required identification.
The department contacted the requestor for clarification.
Notice that the meaning stays the same. The main difference is simply the spelling and the context in which the form is preferred.
Requester in Business and Technical Writing
Requester is especially useful when a document needs a clear label for the person who starts a process.
You might see terms such as:
- requester name
- requester information
- requester details
- requester email
- requester ID
- requester access
- requester status
- requester form
- requester approval
For example:
Enter the requester’s email address before submitting the form.
In a support system, the requester might be the customer who opens a ticket.
In an internal company system, the requester might be an employee asking for software access.
In a records system, the requester might be someone asking to see a document.
The exact context changes, but the core meaning remains the same: the person making the request.
What Is Another Word for Requestor?
Depending on the context, possible alternatives include:
- requester
- asker
- applicant
- requesting party
- requesting person
- submitter
- initiator
- customer
- client
- user
However, these are not perfect substitutes in every situation.
For example, applicant usually suggests someone applying for something, while requester can describe anyone who asks for something.
Likewise, submitter emphasizes the act of submitting rather than making the request.
Therefore, if you specifically mean a person who makes a request, requester is usually the clearest word.
What Is the Plural of Requester?
The plural of requester is:
requesters
For example:
Several requesters asked for access to the records.
The spelling simply adds -s.
What Is the Plural of Requestor?
The plural of requestor is:
requestors
For example:
The system keeps a record of all requestors.
So the forms are:
| Singular | Plural |
|---|---|
| requester | requesters |
| requestor | requestors |
Merriam-Webster gives requesters as the plural of requester, while requestor is also used with the plural requestors.
Common Mistake: Treating Requestor as Incorrect
One common mistake is assuming that requestor is always wrong.
That is not accurate.
Both requester and requestor are recognized forms. Cambridge explicitly gives requestor as another form of requester, and Collins lists it as a rare British English spelling.
The better distinction is:
Requester is the preferred general form. Requestor is a valid but less common alternative.
So if you see requestor in a technical document, database, or formal process, there is no need to assume that the writer made a spelling error.
Which One Should You Remember?
If you want one easy rule, remember this:
Use “requester” when you want the safest general-English choice.
Use requestor when it is the established spelling in a particular system, organization, or specialized context.
For example:
The requester submitted the application.
This is a natural choice for general writing.
But if your company’s software calls the person submitting an access request a requestor, keeping that terminology may be more useful than changing it.
The goal is not to avoid requestor. The goal is to use the form that fits your audience and context.
FAQs
What is the meaning of requestor?
Requestor means a person or organization that makes a request. It has the same basic meaning as requester. Collins lists requestor as a rare spelling of requester.
What do you mean by requester?
A requester is someone who asks for or requests something, such as information, permission, assistance, or a document.
Is it requestor or requester in the UK?
Both are used, but requester is the better general choice. Collins describes requestor as a rare British English spelling of requester.
What do you call a person who requests something?
You can call that person a requester. Requestor is also possible, but requester is generally the safer choice in ordinary English.
Should I use requester or requestor?
Use requester in most general and professional writing. Use requestor when it is the established terminology of a particular organization, system, or specialized context.
What is another word for requestor?
The closest general synonym is requester. Depending on context, you might also use asker, applicant, submitter, or requesting party, although their meanings can differ slightly.
Is it requester or requestor in Canada?
Both forms can be used. There is no general Canadian English rule requiring requestor. Requester is a safe choice for general Canadian writing.
Who is a requester?
A requester is the person or organization that makes a request. For example, a customer asking a company for a refund is the requester.
What is the plural of requestor?
The plural of requestor is requestors.
What is the plural of requester?
The plural of requester is requesters.
What are the responsibilities of a requester?
A requester’s responsibilities depend on the situation, but they may include providing accurate information, explaining what they need, completing the required form, and supplying supporting documents when necessary.
Final Verdict
Requester is the best choice for most readers and most types of writing.Requestor is also a valid English word, but it is less common and may appear more often in specialized terminology.
In British English, Collins specifically describes it as a rare spelling of requester.
So, when you are writing an email, article, report, application, or other general document, choose requester:
The requester submitted the form.
If a particular company, legal document, or software system consistently uses requestor, follow that terminology instead.
The simplest rule is: requester is the standard go-to choice; requestor is a valid alternative.










