Albert Barnes Commentary 1 Samuel 22:14

"Then Ahimelech answered the king, and said, And who among all thy servants is so faithful as David, who is the king`s son-in-law, and is taken into thy council, and is honorable in thy house?" — 1 Samuel 22:14 (ASV)

Goes at your bidding - Better, “has access to your (private) audience,” or council (Compare 2 Samuel 23:23, margin).