The Collaborative International Dictionary of English v.0.48:

Storekeeper \Store"keep`er\, n.
   1. A man in charge of stores or goods of any kind; as, a
      naval storekeeper.
      [1913 Webster]

   2. One who keeps a "store;" a shopkeeper. See 1st Store, 3.
      [U. S.]
      [1913 Webster]

WordNet (r) 3.0 (2006):

storekeeper
    n 1: a merchant who owns or manages a shop [syn: shopkeeper,
         tradesman, storekeeper, market keeper]