Evildoer (noun)

A person who does something evil or harmful.

Origin:

Late 14c., from evil + doer (n.). the verb is first recorded 1590s.

Examples:

1. The evildoer was punished for his crimes.
2. The government is trying to track down and punish the evildoers responsible for the bombing.
3. The evildoer was caught and brought to justice.
4. He's an evildoer who cares only about himself.
5. The evildoer was sentenced to life in prison.