persona non grataLiteral translation: unwelcome person
In an English sentence: The State Department declared the accused spy to be a
persona non grata.A country can designate a visitor as a
persona non grata for any number of reasons including suspected terrorist activities or criminal charges lodged in the person’s own country. A person who has been declared a
persona non grata must leave the country immediately.
From Elizabeth Heimbach's book
Latin Everywhere, Everyday