Source : Webster's Revised Unabridged Dictionary (1913)

Liveryman \Liv"er*y*man\, n.; pl. {Liverymen}.
   1. One who wears a livery, as a servant.

   2. A freeman of the city, in London, who, having paid certain
      fees, is entitled to wear the distinguishing dress or
      livery of the company to which he belongs, and also to
      enjoy certain other privileges, as the right of voting in
      an election for the lord mayor, sheriffs, chamberlain,
      etc.

   3. One who keeps a livery stable.

Source : WordNet®

liveryman
     n : a worker in a livery stable