Dissident

a.	1.	No agreeing; dissenting; discordant; different. Our life and manners be dissident from theirs. - Robynson (More's Utopia).
n.	1.	(Eccl.) One who disagrees or dissents; one who separates from the established religion. The dissident, habituated and taught to think of his dissidenc as a laudable and necessary opposition to ecclesiastical usurpation. - I. Taylor.

Noun	1.	dissident - a person who dissents from some established policy Synonyms: dissenter, objector, protester, contestant
Adj.	1.	dissident - characterized by departure from accepted beliefs or standards Synonyms: heretical, heterodox
	2.	dissident - disagreeing, especially with a majority Synonyms: dissenting, dissentient

alienated, antagonistic, antiestablishment, antipathetic, apostate, at cross-purposes, at loggerheads, at odds, at odds with, at variance, at variance with, at war, bitter-ender, brawler, breakaway, clashing, colliding, conflicting, contentious, contradicting, contradictory, contrary, counter-culture, counteractant, counteracting, counteractive, countervailing, counterworking, cranky, cross, crotchety, defendant, demurrer, deviant, diehard, differing, disaccordant, disagreeable, disagreeing, discordant, discrepant, disharmonious, disproportionate, disputant, dissenter, dissentient, dissenting, dissonant, divergent, grating, heretic, heterodox, hostile, immiscible, in opposition, inaccordant, incompatible, inharmonious, inimical, intransigent, irreconcilable, jangling, jarring, last-ditcher, litigant, misbeliever, naysayer, negative, negativist, nonconformable, nonconforming, nonconformist, noncooperator, nonobservant, objector, obstructionist, obstructive, opinionist, opposer, opposing, opposition voice, oppositional, oppositionist, oppugnant, out of accord, out of whack, perverse, plaintiff, protestant, protester, protestor, quarreler, reactionary, rebel, recalcitrant, recusant, refractory, renitent, repugnant, resistant, resister, revolutionary, schismatic, scrapper, sectarian, sectary, separatist, unadaptable, unadjustable, uncompliant, unconforming, uncongenial, underground, unharmonious, unorthodox, unsubmissive, variant, wrangler