1 Samuel 25:14-16

Meanwhile, one of Nabal’s servants went to Abigail and told her, “David sent messengers from the wilderness to greet our master, but he screamed insults at them. These men have been very good to us, and we never suffered any harm from them. Nothing was stolen from us the whole time they were with us. In fact, day and night they were like a wall of protection to us and the sheep.