The Collaborative International Dictionary of English v.0.48:

Outlander \Out"land*er\, n.
   A foreigner. --Wood.
   [1913 Webster]

WordNet (r) 3.0 (2006):

outlander
    n 1: a person who comes from a foreign country; someone who does
         not owe allegiance to your country [syn: foreigner,
         alien, noncitizen, outlander] [ant: citizen]