1 Samuel 30:11-15

11Then they found an Egyptian in the open field and brought him to David, gave him bread to eat and water to drink,

12and they also gave him a piece of fig cake and two cakes of raisins. When he had eaten, his spirit came back to him, for he had eaten no bread and drunk no water for three days and three nights.

13Then David asked him, “To whom do you belong? Where are you from?” “I am a young Egyptian, the slave of an Amalekite,” he said. “My master abandoned me three days ago because I fell sick.

14We made a raid in the Negev of the Cherethites, and on Judah, and on the Negev of Caleb; also we burned Ziklag with fire.”

15Then David asked him, “Will you lead me to this raiding band?” “Swear to me by God that you won’t kill me or deliver me into my master’s hands,” he said, “and I will lead you to this marauding band.”