(n.) One who incites or provokes misbehavior\.

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