Emily Dickinson Lexicon

DIS-TURB'ER, n.

1. One who disturbs or disquiets; a violater of peace; one who causes tumults or disorders.
2. He or that which excites passion or agitation; he or that which causes perturbation. – Shak.
3. In law, one that interrupts or incommodes another in the peaceable enjoyment of his right.