persona non grata
nounnoun NAmE//pərˌsoʊnə nɑn ˈɡrɑt̮ə//
[uncountable] (from Latin)
jump to other results a person who is not welcome in a particular place because of something they have said or done, especially one who is told to leave a country by the government Their ambassador was declared persona non grata and forced to leave the country.
See persona non grata in the Oxford Advanced Learner's Dictionary