traitors
If you call someone a traitor, you mean that they have betrayed beliefs that they used to hold, or that their friends hold, by their words or actions.
Some say he's a traitor to the peace movement.
一些人说他是和平运动的背叛者。
If someone is a traitor, they betray their country, friends, or a group of which they are a member by helping its enemies, especially during time of war.
rumours that there were traitors among us who were sending messages to the enemy.
关于我们中间有叛徒向敌人通风报信的传言。