| double-crosser(noun, rebel, spy, impostor, renegade) |
| double-crossing(adjective, untrue, untrustworthy, treacherous, unfaithful) |
| double-dealing(adjective, mean, bad, evil, base) |
| double agent(noun, expression, spy, turncoat, conspirator) |
| duplicitous(adjective, mean, bad, evil, base) |
| erroneous |
| experientialist(resistance, opponent, recreant, insurgent, guerrilla) |
| experimenter(resistance, opponent, recreant, insurgent, guerrilla) |
| fallen |
| fallen from grace(expression, idiom) |
| falsehearted(adjective, mean, bad, evil, low) |
| fifth columnist |
| fink(spy, impostor, renegade, turncoat, hypocrite) |
| forsworn(adjective, mean, bad, evil, base) |
| foul(adjective, mean, bad, evil, base) |
| frondeur(resistance, rebel, opponent, recreant, insurgent) |
| guerrilla(resistance, rebel, opponent, recreant, insurgent) |
| heathen(adjective, heterodoxy) |
| hypocrite(spy, impostor, renegade, turncoat, conspirator) |
| hypocritical(adjective, mean, bad, base, wicked) |