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Is this word being used correctly?

au·tar·ky /ˈôˌtärkē/ noun economic independence or self-sufficiency. "rural community autarchy is a Utopian dream" a country, state, or society which is economically independent. plural noun: autarkies; plural noun: autarchies

But which word did he mean instead? It seems it should a synonym for "coterie".
that's what I thought