What is reflexively, as To expatriate one's self: To withdraw from one's native country; to renounce the rights and liabilities of citizenship where one is born, and become a citizen of another country called?

expatriate — Reflexively, as To expatriate one's self: To withdraw from one's native country; to renounce the rights and liabilities of citizenship where one is born, and become a citizen of another country. (Webster's 1913.)

Sources