noun

a person or group that enters or takes part in something.

the prize will be awarded to the entrant who wins the tiebreak

new member,new arrival,beginner,newcomer,fresher,freshman,recruit,new boy/girl,novice,trainee,apprentice,probationer,tyro,initiate,neophyte,tenderfoot,hire,rookie,greenhorn,new kid,newbie,cub,competitor,contestant,contender,challenger,participant,player,candidate,applicant