| calumniator(noun, defamer, mudslinger) |
| defamer(noun, opponent, enemy, attacker, censor) |
| detractor(noun, opponent, enemy, attacker, defamer) |
| enemy(noun, opponent, censor, detractor) |
| insulter |
| knocker(noun, opponent, enemy, censor, detractor) |
| slanderer(noun, opponent, enemy, attacker, defamer) |
| traducer(noun, defamer, mudslinger) |
| vilifier(noun, opponent, enemy, attacker, defamer) |
| adversary(defamer, mudslinger) |
| agent(defamer, mudslinger) |
| antagonist(defamer, mudslinger) |
| archenemy(defamer, mudslinger) |
| aristarch(noun, opponent, enemy, censor, detractor) |
| asperser(defamer, mudslinger) |
| assailant(defamer, mudslinger) |
| assassin(defamer, mudslinger) |
| attacker(noun, opponent, enemy, defamer, censor) |
| backbiter(defamer, mudslinger) |
| backseat driver(noun, expression, opponent, enemy, censor) |