separatism

nouns

a social system that provides separate facilities for minority groups
a disposition toward schism and secession from a larger group; the principles and practices of separatists
"separatism is a serious problem in Quebec"; "demands for some form of separatism on grounds of religion have been perceived as a threat to mainstream education"
is derived from
is a type of (narrower)
a natural or acquired habit or characteristic tendency in a person or thing
"a swelling with a disposition to rupture"
advocacy of a policy of strict separation of church and state