groom

a man participant in his own marriage ceremony

someone employed in a stable to take care of the horses

a man who has recently been married

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

educate for a future role or function

give a neat appearance to

care for one's external appearance

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