'Troubler' definitions:

Definition of 'troubler'

(from WordNet)
noun
Someone who deliberately stirs up trouble [syn: troublemaker, trouble maker, troubler, mischief- maker, bad hat]

Definition of 'Troubler'

From: GCIDE
  • Troubler \Trou"bler\, n. One who troubles or disturbs; one who afflicts or molests; a disturber; as, a troubler of the peace. [1913 Webster]
  • The rich troublers of the world's repose. --Waller. [1913 Webster]