claimant

noun

1. a person who makes an official claim for something, especially money, compensation, or benefits

   B2

   countable

   • "Each claimant must complete the application form."B1
   • "The insurance company contacted the claimant to request further evidence."B2

2. a person who says that they have a legal right to something

   C1

   countableformal

   • "The claimant asked the court to recognize his ownership of the property."B2
   • "The judge ruled that the claimant had failed to establish a valid legal interest."C1