contestant

noun
UK /kənˈtestənt/
US /kənˈtestənt/

A contestant is a person who takes part in a game or competition.

The contestant answered the final question and won the prize.


OTHER MEANINGS

2. A person who competes in a sporting event.

Each contestant ran as fast as they could in the race.

3. A person who formally challenges something, such as a will or a decision.

The contestant filed a claim against the court's ruling.

4. A candidate in an election.

Three contestants are running for mayor this year.