And David said to him, "Can you take me down to this troop?" So he said, "Swear to me by God that you will neither kill me nor deliver me into the hands of my master, and I will take you down to this troop."
1 Samuel 30:15
Surrounding context
30:14 We made an invasion of the southern area of the Cherethites, in the territory which belongs to Judah, and of the southern area of Caleb; and we burned Ziklag with fire."
30:15 And David said to him, "Can you take me down to this troop?" So he said, "Swear to me by God that you will neither kill me nor deliver me into the hands of my master, and I will take you down to this troop."
30:16 And when he had brought him down, there they were, spread out over all the land, eating and drinking and dancing, because of all the great spoil which they had taken from the land of the Philistines and from the land of Judah.