1 Samuel 28:2
David replied, “Then you will come to know what your servant can do.” “Very well,” said Achish. “I will make you my bodyguard for life.”
Berean Standard Bible
And David said to Achish, Surely thou shalt know what thy servant can do. And Achish said to David, Therefore will I make thee keeper of mine head for ever.
David said to Achish, “Therefore you will know what your servant can do.” Achish said to David, “Therefore I will make you my bodyguard forever.”