noun. One who disturbs or disquiets; a violator of peace or harmony; one who causes tumult or disorder.

noun. One who or that which excites disgust, agitation, or tumult; that which causes perturbation.

noun. In law, one who hinders or incommodes another in the peaceable enjoyment of his rights.

noun. One who, or that which, disturbs of disquiets; a violator of peace; a troubler.

noun. One who interrupts or incommodes another in the peaceable enjoyment of his right.

noun. Someone or something that disturbs; a disrupter.

noun. a troubler who interrupts or interferes with peace and quiet; someone who causes disorder and commotion