Many servants are deeply attached to the person (or family) they work for. The old retainer is indeed often elderly, and his service has often been long, but the essential trait is his loyalty and propriety. He identifies his interests with those of his employer, regards himself as slighted by any injuries to him, and strives mightily to keep things going properly. Common in such feudal societies as Feudal Future, where, indeed, his family may have worked for the employer's for generations. Sister Trope of The Jeeves, Battle Butler, Crusty Caretaker, Creepy Housekeeper, Matron Chaperone.