Stood before him — That is, waited upon him. And he loved him greatly — So there was something good in Saul still: he had not lost all, tho' he had lost the kingdom. Armour — bearer — He had that place conferred upon him, though we do not read that he ever exercised it; for it seems he was gone back to his father upon some occasion not related; and had abode with him some considerable time before the war described, 1 Samuel 17:1-53, happened.
Related Commentaries of 1 Samuel 16:21
1 Samuel 16:21
21 And David came to Saul, and stood before him: and he loved him greatly; and he became his armourbearer.