One who gives or causesoffense, or does something wrong.
1961 March, Warren Smith, “The problems of train regulation - a study of operation at Trent”, inTrains Illustrated, page169:
Almost all down trains are late, however; the empty wagon trains are probably the worstoffenders and one or two hours' late running by them is not unusual.
A person who commits an offense against thelaw, alawbreaker.