1) Applicant 2) Applier 3) Benefits petitioner 4) Benefits seeker 5) Mine owner 6) One seeking repayment 7) Petitioner 8) Policyholder, at times 9) Pretender 1) Applicant 2) Aspirant 3) Asserter 4) Candidate 5) Claimer 6) Petitioner 7) Pretender 
• (n.) One who claims; one who asserts a right or title; a claimer.
Person or authorized provider who files a claim for benefits. Patient or certificate holder who files a claim for benefits.
The name given to the person who brings a civil action
A party to an explicit or implicit contract. 
The person or entity submitting a claim.
A decrease in the likelihood that one or more of a firm's claimants will be fully repaid, including
The Claimant is the person making the claim. In the past the Claimant was known as the Plaintiff.
Claim'ant noun [ Confer Old French clamant , present participle of clamer . Confer Clamant .] One who claims; one who asserts a right or title; a claimer. 
A person making a claim. Syn. plaintiff.
[n] - someone who claims a benefit or right or title
claimant 1. One who makes or enters a claim; one who has a claim upon anything. 2. One who claims state benefits; especially, for unemployment.
The person issuing the claim. Previously known as the Plaintiff
noun someone who claims a benefit or right or title; `claimants of unemployment compensation`; `he was a claimant to the throne`
the individual person who files a workers' compensation claim.
a person who makes a claim.