quisling

那个叛徒向敌军透露了秘密军事部署，真是个可耻的卖国贼。

The ___quisling who revealed secret military plans to the enemy forces was despised by all.

战争期间，他因向敌人提供情报而被同胞们称为卖国贼。

During the war, he was called a ___quisling by his countrymen for providing intelligence to the enemy.