'Aggressor' in the Bible

He went out the next day and saw two Hebrew men fighting with each other; and he said to the aggressor, “Why are you striking your friend?”

Let my refugees stay with you;be a refuge for Moab from the aggressor.When the oppressor has gone,destruction has ended,and marauders have vanished from the land.

even though I was formerly a blasphemer and a persecutor and a violent aggressor. Yet I was shown mercy because I acted ignorantly in unbelief;