The act of betraying someone or something, particularly during a time of conflict or loyalty.

धोखा देना का कार्य

English Usage: His traitorism was evident when he leaked confidential information to the enemy.

Hindi Usage: उसकी धोखा देने का कार्य तब स्पष्ट हुआ जब उसने दुश्मन को गुप्त जानकारी लीक की।