acosador
/akosaˈdoɾ/ · B2 · adj
harasser
😠👊 acosador = a-COSA-dor: a 'cosa' (thing) that keeps chasing you down
Acosar means to hound or pursue relentlessly (originally from hunting, 'acoso' = chase). The suffix -dor marks the doer, so an acosador is the one who keeps pursuing and pressuring someone, a bully or harasser.