Dualist
       
       
       1.The condition of being double; duality. 
       2.Philosophy. The view that the world consists of or is
         explicable as two fundamental entities, such as mind
         and matter. 
       3.Psychology. The view that the mind and body function
         separately, without interchange. 
       4.Theology. 
             a.The concept that the world is ruled by the
                antagonistic forces of good and evil. 
             b.The concept that humans have two basic
                natures, the physical and the spiritual. 
                
                
                
(dictionary.com)