Instigator

(n.) One who incites or provokes misbehavior.

Thesaurus Entries

agent, agent provocateur, agitator, agitprop, ancestors, apprentice, architect, artificer, artist, author, begetter, beginner, builder, catalyst, causer, conceiver, constructor, craftsman, creator, demagogue, designer, deviser, discoverer, effector, engenderer, engineer, exciter, executor, executrix, father, firebrand, fomenter, founder, generator, grower, inaugurator, incendiary, inciter, industrialist, inflamer, initiator, inspirer, institutor, introducer, inventor, journeyman, maker, manufacturer, master, master craftsman, mischief-maker, mother, mover, organizer, originator, parent, past master, planner, precursor, prime mover, primum mobile, producer, provocateur, provoker, rabble-rouser, raiser, realizer, ringleader, rouser, seditionary, seditionist, shaper, sire, smith, troublemaker, urger, wright