irredentist

One who advocates the recovery of territory culturally or historically related to one’s nation but now subject to a foreign government.

A member of an Italian political party formed in 1878, for bringing about the “redemption” or the incorporation into the kingdom of Italy of all regions situated near Italy where an important part of the population was Italian, but which were still subject to other governments, and hence called Italia irredenta.

Pertaining to or advocating irredentism.

an advocate of irredentism, especially a person in one country who advocates the incorporation of a region in another country related historically to his country.

Someone who calls for the seizure or recovery of territories or states currently subject to other countries; an adherent of irredentism.

Of or relating to irredentists or their policies.

an advocate of irredentism