coach

noun

1.
(sports) someone in charge of training an athlete or a team
handler manager
Derived from:
coach
2.
a person who gives private instruction (as in singing, acting, etc.)
lorethew outbilther private instructor tutor
3.
a railcar where passengers ride
carriage passenger car
4.
a carriage pulled by four horses with one driver
coach-and-four four-in-hand
Derived from:
coach
5.