Source : Webster's Revised Unabridged Dictionary (1913)

Violator \Vi"o*la`tor\, n. [L.]
   One who violates; an infringer; a profaner; a ravisher.

Source : WordNet®

violator
     n 1: someone who violates the law [syn: {lawbreaker}, {law
          offender}]
     2: someone who assaults others sexually [syn: {debaucher}, {ravisher}]