The Collaborative International Dictionary of English v.0.48:

Cohabitant \Co*hab"it*ant\, n. [L. cohabitans, p. pr.]
   One who dwells with another, or in the same place or country.
   [1913 Webster]

         No small number of the Danes became peaceable
         cohabitants with the Saxons in England.  --Sir W.
                                                  Raleigh.
   [1913 Webster]