claimant

/ˈkleɪmənt/ noun [C]

Definition

› INSURANCE a person or company that requests or receives payment from an insurance company for an accident, illness, damage to property, etc.: For medical malpractice insurance claims that we paid, fewer than 10% had a payout of $1 million or more.

› a person who requests or receives payment of money that a government, organization, or company owes them: Tax credit payments are calculated according to the claimant's yearly income.

› (also plaintiff) LAW a person who goes to court to make a legal complaint against someone else: The claimant commenced this action to recover damages that were sustained while working for the defendant.

› LAW someone who demands the right to be the legal owner of a particular property, payment, or title: He was declared the legitimate claimant to the throne.

(Definition of claimant noun from the Cambridge Business English Dictionary © Cambridge University Press)