| mentor |
| busybody(noun, gossip, nuisance, nosy, meddler) |
| critic(noun, opponent, enemy, attacker, censor) |
| defamer(noun, opponent, enemy, attacker, critic) |
| disapprover(noun, opponent, enemy, attacker, critic) |
| disparager(noun, opponent, enemy, attacker, critic) |
| disputer(noun, opponent, enemy, attacker, critic) |
| doubter(noun, opponent, enemy, attacker, critic) |
| faultfinder(noun, opponent, enemy, attacker, critic) |
| fretter(noun, opponent, enemy, attacker, critic) |
| hypercritic(noun, opponent, enemy, attacker, critic) |
| intermeddler |
| kibitzer(noun, meddler) |
| maligner(noun, opponent, enemy, attacker, critic) |
| meddler |
| muckraker(noun, opponent, enemy, attacker, critic) |
| mud-slinger(noun, opponent, enemy, attacker, critic) |
| nagger(noun, opponent, enemy, attacker, critic) |
| nit-picker(noun, opponent, enemy, attacker, critic) |
| panner(noun, opponent, enemy, attacker, critic) |