1 Samuel 26:5

26:5 So David set out and went to the place where Saul was camped. David saw the place where Saul and Abner son of Ner, the general in command of his army, were sleeping. Now Saul was lying in the entrenchment, and the army was camped all around him.

1 Samuel 26:14

26:14 David called to the army and to Abner son of Ner, “Won’t you answer, Abner?” Abner replied, “Who are you, that you have called to the king?”