| assailant(noun, person, attack, opposition, disturbance) |
| assaulter(noun, person, attack, disturbance, opponent) |
| mugger(noun, person, disturbance, violation, goon) |
| aggressor(noun, person, attack, goon, robber) |
| intruder(noun, assailant, invader) |
| enemy(noun, someone, rival, opponent, enemy) |
| invader(noun, opposition, agent, villain, rebel) |
| antagonist(noun, opposition, agent, rebel, criminal) |
| raider(noun, aggressor, assailant, invader) |
| adversary(noun, opposition, agent, rebel, criminal) |
| critic(noun, opponent, enemy, censor, detractor) |
| trespasser(noun, person, disturbance, violation, invader) |
| abuser(noun, person, disturbance, violation) |
| criminal(noun, opposition, agent, villain, rebel) |
| defiler(noun, person, opposition, disturbance, agent) |
| molester(noun, person, disturbance, violation) |
| violator(noun, person, disturbance, violation) |
| detractor(noun, opposition, agent, villain, rebel) |
| felon(noun, person, disturbance, violation) |
| plunderer(noun, person, disturbance, violation) |