'Disturber' definitions:

Definition of 'disturber'

(from WordNet)
noun
A troubler who interrupts or interferes with peace and quiet; someone who causes disorder and commotion

Definition of 'Disturber'

From: GCIDE
  • Disturber \Dis*turb"er\, n. [Cf. OF. destorbeor.]
  • 1. One who, or that which, disturbs of disquiets; a violator of peace; a troubler. [1913 Webster]
  • A needless disturber of the peace of God's church and an author of dissension. --Hooker. [1913 Webster]
  • 2. (Law) One who interrupts or incommodes another in the peaceable enjoyment of his right. [1913 Webster]