As nouns the difference between applicant and requester
is that applicant is one who applies for something; one who makes request; a petitioner while requester is one who, or that which, makes a request.
applicant
English
Noun
(
en noun)
One who applies for something; one who makes request; a petitioner.
The third coordinate (or z-coodinate) in a three dimensional coordinate system.
requester
English
Noun
(
en noun)
One who, or that which, makes a request.
Coordinate terms
* requestress