aggressor
aggression
(əˈɡrɛʃən
) noun
1 an attack or harmful action, esp an unprovoked attack by one country against another
2 any offensive activity, practice, etc ■ an aggression against personal liberty
3 psychology a hostile or destructive mental attitude or behaviour
[C17: from Latin aggression-, from aggrēdi to attack]
> aggressor (əˈɡrɛsə
) noun
