bandmaster coryphaeus conductor chorister major drum band maestro choirmaster precentor concertmaster
actuator encourager pacesetter pacemaker motivator inspirer trend-setter prompter
vaunt-courier predecessor precursor advance forerunner groundbreaker frontiersman outrider avant-courier guard explorer antecedent pioneer pathfinder foregoer trailblazer spearhead vanguard
paramount suzerain lord warlord captain general commandant sachem master commander ruler chieftain
item feature lead
chairman director principal head supervisor boss doyen chief manager governor superior overseer superintendent