offender

US /əˈfen.dɚ/
UK /əˈfen.dɚ/
"offender" picture
1.

a person who commits an illegal act

:
The police are searching for the offender.
First-time offenders may receive a lighter sentence.
2.

a person or thing that causes offense or annoyance

:
The strong smell from the factory is a major offender.
He's a repeat offender when it comes to being late.