instigator Synonyms

inciter initiator provoker instigant firebrand troublemaker hothead agent provocateur provocateur orchestrator driving force catalyst warmonger urger rouser shaker shaper source sower stimulator stirrer suborner torchbearer ringleader arouser power source soapbox orator agitators motive force rabble rouser kindle-fire straw that stirs the drink prime mover mover and shaker motivator groundbreaker loose cannon tearaway mastermind reb hellion attack dog creator initial force reformer abettor demagogue designer driver egger