Judas-like, Trojan-horse, alienated, apostate, betraying, breakaway, collaborative, deceitful, degenerate, disaffected, disloyal, double-crossing, double-dealing, estranged, extreme, extremistic, factious, faithless, false, fifth-column, insurgent, insurrectionary, insurrectionist, mutineering, mutinous, perfidious, quisling, quislingistic, rebel, rebellious, recreant, renegade, revolutional, revolutionary, riotous, seditionary, seditious, subversive, tergiversant, tergiversating, treacherous, treasonable, treasonous, turbulent, turncoat, two-timing, unfaithful, unloyal, untrue