coachee

noun3

1. •
   One who is coached (receives training).
2. •
   (historical) An American style of carriage shaped like a coach but longer and open in front.

   • […] [a] rear door, a feature not common in a coachee. Some historians have for many years regarded this vehicle as the only authentic Washington vehicle in existence, but […] — 1971
3. •
   (slang, old-fashioned) A coachman.