The Collaborative International Dictionary of English v.0.48:

Bootblack \Boot"black`\, n.
   One who blacks boots.
   [1913 Webster]

WordNet (r) 3.0 (2006):

bootblack
    n 1: a person who polishes shoes and boots [syn: bootblack,
         shoeblack]

Moby Thesaurus II by Grady Ward, 1.0:

31 Moby Thesaurus words for "bootblack":
   Ganymede, Hebe, airline hostess, airline stewardess, attendant,
   batman, bellboy, bellhop, bellman, boots, cabin boy, caddie,
   chore boy, copyboy, cupbearer, errand boy, errand girl, footboy,
   gofer, hostess, office boy, office girl, orderly, page, squire,
   steward, stewardess, tender, trainbearer, usher, yeoman