1 Samuel 17:9

17:9 If he is able to fight with me and strike me down, we will become your servants. But if I prevail against him and strike him down, you will become our servants and will serve us.”

1 Samuel 20:7

20:7 If he should then say, ‘That’s fine,’ then your servant is safe. But if he becomes very angry, be assured that he has decided to harm me.

1 Samuel 24:21

24:21 So now swear to me in the Lord’s name that you will not kill my descendants after me or destroy my name from the house of my father.”