| assailant(noun, bad, unknown, enemy, foe) |
| attacker(noun, bad, unknown, enemy, foe) |
| bad guys(noun, bad, unknown, enemy, foe) |
| bandit(noun, bad, unknown, enemy, foe) |
| basher(noun, bad, unknown, enemy, foe) |
| blockader(noun, bad, unknown, enemy, foe) |
| contradictor(noun, bad, unknown, enemy, foe) |
| devil(noun, bad, unknown, enemy, foe) |
| disputationalist(noun, bad, unknown, enemy, foe) |
| fiend(noun, bad, unknown, enemy, foe) |
| hanger-on(noun, bad, enemy, foe) |
| hostile(noun, bad, unknown, enemy, foe) |
| interloper(noun, bad, unknown, enemy, foe) |
| intruder(noun, bad, unknown, enemy, foe) |
| leech(noun, bad, enemy, foe) |
| loneliness |
| naysayer(noun, bad, unknown, enemy, foe) |
| new-comer(noun, bad, unknown, enemy, foe) |
| not one of us(noun, bad, unknown, enemy, foe) |
| opposing side(noun, bad, unknown, enemy, foe) |