1 Samuel 28:1-2

New Century Version

Saul and the Medium of Endor

28 Later, the Philistines gathered their armies to fight against Israel. Achish said to David, “You understand that you and your men must join my army.”

² David answered, “You will see for yourself what I, your servant, can do!”

Achish said, “Fine, I’ll make you my permanent bodyguard.”