提出要求者
Claimant \Claim"ant\, n. [Cf. OF. clamant, p. pr. of clamer. Cf. {Clamant}.] One who claims; one who asserts a right or title; a claimer.
claimant n : someone who claims a benefit or right or title; "claimants of unemployment compensation"; "he was a claimant to the throne"