Renounce (one's) citizenship

Перевод renounce (one's) citizenship на русский язык

He had to renounce his citizenship to become a citizen of another country.

Ему пришлось отказаться от своего гражданства, чтобы стать гражданином другой страны.

To formally give up or reject one's status as a citizen of a country, often involving legal procedures and implications.