Courier /(k??"r?-?r)/

Cou·ri·er

Courier

n.
  1. A messenger sent with haste to convey letters or dispatches, usually on public business.
    The wary Bassa . . . by speedy couriers, advertised Solyman of the enemy's purpose.
  2. An attendant on travelers, whose business it is to make arrangements for their convenience at hotels and on the way.