“Will you lead me to these raiders?” David asked. And the man replied, “Swear to me by God that you will not kill me or deliver me into the hand of my master, and I will lead you to them.”
Jewish Publication Society of America Version (JPS1917) - 1 Samuel 30:15 >And David said to him: 'Wilt thou bring me down to this troop?' And he said: 'Swear unto me by God, that thou wilt neither kill me, nor deliver me up into the hands of my master, and I will bring thee down to this troop.'