an enemy; opponent (in a contest)

opponent

a person who is ambitious for personal success, fame etc

person with wish, dream

a person trained for competing in physical exercises and outdoor games e.g. a person who is good at running, jumping, swimming etc

person involved in sports

a person who makes a bid

person with whom one competes

a person who wishes, or who is put forward by others, to take an office or position (e.g. for election to Parliament)

person desiring political office, job

a person, firm, product etc that competes

person willing to enter contest

a person who enters (for a university place, competition, race etc)

person entering competition, starting new activity

a person engaged in a lawsuit

person with whom one competes

a person who is nominated for an office or appointment

candidate

a person against whom one fights, struggles, plays games, contests an election or argues

person with whom one competes

a person who plays a game

person participating in sport

a person, animal etc that runs (a race); a messenger; a part on which something slides or moves along

one who runs