noun
traitor to one's country; enemy of the state
Strongly negative term for someone who betrays their nation, often used in political or historical contexts.
彼は国賊として裁かれた。
He was tried as a traitor to his country.
その政治家は国賊呼ばわりされた。
The politician was branded a traitor.
Compound of 国 (country) and 賊 (bandit, rebel, traitor). The term has been used historically to denote those who harm or betray the state.