1 Samuel 25:15-16

25:15 These men were very good to us. They did not insult us, nor did we sustain any loss during the entire time we were together in the field. 25:16 Both night and day they were a protective wall for us the entire time we were with them, while we were tending our flocks.

1 Samuel 25:21

25:21 Now David had been thinking, “In vain I guarded everything that belonged to this man in the desert. I didn’t take anything from him. But he has repaid my good with evil.