'Revenge' in the Bible
Do not take revenge or bear a grudge against members of your community, but love your neighbor as yourself; I am Yahweh.
Then Saul replied, “Say this to David: ‘The king desires no other bride-price except 100 Philistine foreskins, to take revenge on his enemies.’” Actually, Saul intended to cause David’s death at the hands of the Philistines.
there will not be remorse or a troubled conscience for my lord because of needless bloodshed or my lord’s revenge. And when the Lord does good things for my lord, may you remember me your servant.”
When Abner returned to Hebron, Joab pulled him aside to the middle of the gateway, as if to speak to him privately, and there Joab stabbed him in the stomach. So Abner died in revenge for the death of Asahel, Joab’s brother.
For jealousy enrages a husband,and he will show no mercy when he takes revenge.
Therefore the Lord God of Hosts,the Mighty One of Israel, declares:“Ah, I will gain satisfaction from My foes;I will take revenge against My enemies.
Should I not punish them for these things?This is the Lord’s declaration.Should I not avenge Myselfon such a nation as this?
This is what the Lord God says: “Because Edom acted vengefully against the house of Judah and incurred grievous guilt by taking revenge on them,