offender — English Dictionary

Noun

1. One who gives or causes offense, or does something wrong.

   Examples

   Almost all down trains are late, however; the empty wagon trains are probably the worst offenders and one or two hours' late running by them is not unusual.

2. A person who commits an offense against the law, a lawbreaker.

Noun

1. a person who transgresses moral or civil law

   Synonyms

   wrongdoer

   Broader terms

   bad person