a person who dissents from some established policy
a person who participates in competitions
- The contestant made two false starts.
- No other contestant has obtained such a remarkable achievement.
- So the first round goes to contestant A. But no worries, contestant B! There's still everything to play for.
- The contestant blurted out the right answer just before the time ran out.
- The Miss Universe contestant tripped on her gown but got up again gracefully and continued down the runway.