| ally(noun, champion, partisan, hero, winner) |
| anti(noun, match, opposition, rival, opponent) |
| appellant |
| aspirant(noun, opposition, rival, enemy, competitor) |
| assailant(noun, match, opposition, rival, opponent) |
| backer(noun, champion, partisan, hero, winner) |
| bandit(noun, match, opposition, rival, opponent) |
| battler(competitor, participant, candidate, contender) |
| bidder(noun, match, opposition, rival, opponent) |
| candidate(noun, match, opposition, rival, enemy) |
| champ(noun, champion, hero, winner, defender) |
| claimer |
| con(noun, match, opposition, rival, opponent) |
| confronter |
| conqueror(noun, champion, hero, winner, defender) |
| contention |
| corrival(noun, competitor) |
| counteragent(noun, match, opposition, rival, opponent) |
| dark horse(noun, expression, opposition, rival, favorite) |
| defender(noun, champion, partisan, hero, winner) |