'Servant' in the Bible

"A son honors his father, and a servant his master. If I am a father, then where is my honor? And if I am a master, where is the respect due me? Says Yahweh of Armies to you, priests, who despise my name. You say, 'How have we despised your name?'

"Remember the law of Moses my servant, which I commanded to him in Horeb for all Israel, even statutes and ordinances.