Betray (verb) دھوکہ دینا، دغا کرنا

expose (one’s country, a group, or a person) to danger by treacherously giving information to an enemy.
Example: “a double agent who betrayed some 400 British and French agents to the Germans”
Outskirts (noun) بیرونی حدود، اطراف، مضافات

the outer parts of a town or city.
Example: “he built a new factory on the outskirts of Lahore”