Exclusivist

Ex·clu'siv·ist noun One who favor or practices any from of exclusiveness or exclusivism. « The field of Greek mythology . . . the favorite sporting ground of the exclusivists of the solar theory.» Gladstone.
Found on http://www.encyclo.co.uk/webster/E/83

Exclusivist

• (n.) One who favor or practices any from of exclusiveness or exclusivism.
Found on http://thinkexist.com/dictionary/meaning/exclusivist/
No exact match found