| asperser(noun, opposition, agent, villain, rebel) |
| aspirant(noun, match, opposition, rival, opponent) |
| assassin(noun, opposition, agent, villain, rebel) |
| backbiter(noun, opposition, agent, villain, rebel) |
| besieger |
| betrayer(noun, opposition, agent, villain, rebel) |
| bidder(noun, match, opposition, rival, opponent) |
| calumniator(noun, opposition, agent, villain, rebel) |
| candidate(noun, match, opposition, rival, opponent) |
| con(noun, match, opposition, rival, opponent) |
| confrontation |
| contrarian(noun, person, opposition, opponent, competitor) |
| counteragent(noun, match, opposition, rival, opponent) |
| counterview |
| criminal(noun, opposition, agent, villain, rebel) |
| dark horse(noun, expression, match, opposition, rival) |
| defamer(noun, opposition, agent, villain, rebel) |
| defiler(noun, opposition, agent, villain, rebel) |
| detractor(noun, opposition, agent, villain, rebel) |
| dissentient(noun, match, opposition, rival, opponent) |