1 Samuel 29:4

Make this fellow return— The lords of the Philistines were suspicious of David's purposes; and, instead of placing that confidence in him which Achish did, they insist upon his dismission. His pleasure must certainly have been great, to find himself extricated out of so delicate a situation as he had been in, where there might have been a struggle between his gratitude to his friend, and his love to his country; and in which he did not possibly know what part he had to act, or was bound to act.