victimizer

[n] - a person who victimizes others
Found on http://www.webdictionary.co.uk/definition.php?query=victimizer

victimizer

victimiser noun a person who victimizes others; `I thought we were partners, not victim and victimizer`
Found on http://wordnetweb.princeton.edu/perl/webwn?s=victimizer
No exact match found