miscreant (noun) - a villain or wrongdoer; a heretic or non-believer [mis-kree-uhnt]
BREAKDOWN: MIS- (bad) + CRE- (belief or trust) + -ANT (one who)
miscreant also means lacking in conscience, morals, or belief
See also: incredulous
"Because the wicked often have a charisma that the naive view as godliness, rather than demonic suasion, some miscreants for a time raise mass movements in their defense." —Dean Koontz