Groom

A boy or young man; a waiter; a servant; especially, a man or boy who has charge of horses, or the stable.

One of several officers of the English royal household, chiefly in the lord chamberlain's department; as, the groom of the chamber; the groom of the stole.

A man recently married, or about to be married; a bridegroom.

To tend or care for, or to curry or clean, as a, horse.

educate for a future role or function; "He is grooming his son to become his successor"; "The prince was prepared to become King one day"; "They trained him to be a warrior"