separatism
advocacy of a state of cultural, ethnic, tribal, religious, racial, governmental or gender separation from the larger group
en-GB/ˈsɛpəɹəˌtɪzəm/
en-US/ˈsɛpɚəˌtɪzəm/
advocacy of a state of cultural, ethnic, tribal, religious, racial, governmental or gender separation from the larger group