separatist
noun [ C ] politics uk/ˈsep.ər.ə.tɪst/ us/ˈsep.ɚ.ə.tɪst/
分裂主义者，分离主义者
someone who is a member of a particular race, religion, or other group within a country and who believes that this group should be independent and have their own government or in some way live apart from other people