persona-non-grata

US /pɚˌsoʊ.nə nɑːn ˈɡrɑː.t̬ə/
UK /pɚˌsoʊ.nə nɑːn ˈɡrɑː.t̬ə/
1.

persona non grata

a person who is not wanted or welcome in a particular country, because they are unacceptable to its government:

:
He was declared persona non grata and asked to leave the country within 48 hours.