| iconoclast(resistance, rebel, recreant, nonconformist, insurgent) |
| impostor(spy, renegade, turncoat, hypocrite, conspirator) |
| independent(resistance, opponent, recreant, insurgent, guerrilla) |
| individualist(resistance, rebel, opponent, recreant, insurgent) |
| infidel |
| informer(noun, spy, turncoat, conspirator) |
| innovator(resistance, opponent, recreant, insurgent, guerrilla) |
| insurgent(resistance, rebel, recreant, protester, rioter) |
| insurrectionary(noun, rebel, opponent, recreant, insurgent) |
| intriguer(spy, impostor, renegade, turncoat, hypocrite) |
| irreligious |
| irreverent |
| judas(spy, impostor, renegade, turncoat, hypocrite) |
| lapsed |
| malcontent(resistance, rebel, opponent, recreant, insurgent) |
| malevolent(adjective, mean, bad, evil, base) |
| malicious(adjective, mean, bad, evil, base) |
| mean(adjective, bad, evil, base, wicked) |
| miscreant(spy, progressive, skeptical, nonconformist, impostor) |
| mutineer(resistance, rebel, recreant, insurgent, protester) |