Claimant

(n.) One who asserts a right or title; a claimer.

Thesaurus Entries

accusant, accuser, allegator, appellant, applicant, aspirant, bidder, candidate, complainant, delator, impeacher, impugner, indictor, informer, libelant, party, petitioner, plaintiff, postulant, prosecutor, seeker, solicitant, solicitor, suitor, suppliant, supplicant, the prosecution