Definition of "wrongdoer"

wrongdoer

noun
plural wrongdoers
1. Someone who does wrong, whether morally, ethically, or in contravention of a law.
  Quotations
  Where the owner of the property and several insurers have rights of action for different portions of the value, all arising out of the same wrongful act, they may join in a single action against the wrongdoër.
  1880, Reports of Cases Argued and Determined in the Supreme Court of the State of Wisconsin, with Tables of the Cases and Principal Matters, volume XLIX, Chicago: Callaghan & Company, page 748