| competitor(noun, animal, person, sport, opposition) |
| rival(noun, person, opposition, opponent, favorite) |
| contender(noun, animal, sport, opponent, competitor) |
| competition(noun, rival, opponent, favorite, peer) |
| darer(noun, contestant) |
| opponent(noun, person, match, opposition, rival) |
| contester(competitor, participant, candidate, contender) |
| warrior(noun, champion, hero, competitor, winner) |
| disputer(noun, contestant) |
| antagonist(noun, opposition, rival, opponent, favorite) |
| contestant(noun, animal, sport, opposition, rival) |
| impugner |
| The Challengers(expression, idiom) |
| combatant(competitor, participant, candidate, contender) |
| caller |
| defier(noun, contestant) |
| adversary(noun, opposition, rival, opponent, favorite) |
| champion(noun, hero, winner, champ, victor) |
| enemy(noun, match, opposition, rival, opponent) |
| advocate(noun, champion, partisan, hero, winner) |