coach

Noun

• a vehicle carrying many passengers; used for public transport
  • he always rode the bus to work
    

• a carriage pulled by four horses with one driver

• a railcar where passengers ride

• a person who gives private instruction (as in singing, acting, etc.)

• (sports) someone in charge of training an athlete or a team

Verb

• drive a coach

• teach and supervise (someone); act as a trainer or coach (to), as in sports
  • He is training our Olympic team
    
  • She is coaching the crew
    

Related words

• Synonyms: 
  four-in-hand , coach-and-four , passenger car , carriage , private instructor , tutor , manager , handler , train