Traitor به انگلیسی
From Longman Dictionary
trai‧tor /ˈtreɪtə $ -ər/ ●○○ noun
someone who is not loyal to their country, friends, or beliefs
کسی که به کشور، دوستان یا اعتقادات خود وفادار نیست
Example
a traitor to the cause of women’s rights
At the end of the war Mata Hari was hanged as a traitor
His father suffered even more when the revolutionaries decided that he was a traitor and plundered his estate worth ten thousand pounds
Whether she is victim or traitor remains unknown
Frequently they were outspoken wives, who were considered monstrous shrews or unnatural traitors to their husbands