The Collaborative International Dictionary of English v.0.48:

Confiner \Con*fin"er\, n.
   One who, or that which, limits or restrains.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Confiner \Con"fi`ner\ (? or ?), n.
   One who lives on confines, or near the border of a country; a
   borderer; a near neighbor. [Obs.] --Bacon.
   [1913 Webster]

         Happy confiners you of other lands,
         That shift your soil, and oft 'scape tyrants' hands.
                                                  --Daniel.
   [1913 Webster]