Transgressor

·noun One who transgresses; one who breaks a law, or violates a command; one who violates any known rule or principle of rectitude; a sinner.

transgressor
transgressor, ōris, m. [transgredior], an infringer , transgressor of the law (late Lat.), Arn. ...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.