E0266400 (ĭk-sklo͞o′zhə-nĭst)n. One that advocates the exclusion of another or others, as from having or exercising a right or privilege.ex·clu′sion·ism n.ex·clu′sion·ist, ex·clu′sion·is′tic adj.
exclusionist
(ɪkˈskluːʒənɪst) adj (Government, Politics & Diplomacy) chieflyUS denoting or relating to a policy of excluding various types of immigrants, imports, etcn (Government, Politics & Diplomacy) a supporter of a policy of exclusionexˈclusionˌismn