persona (personas plural) (personae plural )Someone's persona is the aspect of their character or nature that they present to other people, perhaps in contrast to their real character or nature. FORMAL n-count
(=image) ...the contradictions between her private life and the public persona... →
persona non grata
persona non grata (personae non gratae plural )If someone becomes or is declared persona non grata, they become unwelcome or unacceptable because of something they have said or done. phrase PHR after v, v-link PHR
The government has declared the French ambassador persona non grata and ordered him to leave the country.