attacker

noun
UK /əˈtæk.ər/
US /əˈtæk.ɚ/

A person who tries to hurt someone.

The brave dog scared the attacker away.


OTHER MEANINGS

2. A person or team that tries to score in a game.

The attacker kicked the ball into the goal.

3. A person who says mean things about someone.

The attacker spread rumors about the new student.

4. A person who tries to break into a computer system.

The attacker tried to steal the passwords.