Good should not be paid back with evil, but they have dug a pit in order to kill me. Remember that I stood before you and asked you to do good things for these people and to turn your anger away from them.
Do not be like Cain who belonged to the Evil One and killed his brother. And why did he kill him? Because the things Cain did were evil, and the things his brother did were good.
David had just said, “It’s been useless! I watched over Nabal’s property in the desert. I made sure none of his sheep was missing. I did good to him, but he has paid me back with evil.