Q: In a dar al kufr country, can the money from the kafir government be halaal to take by any means? Such as taking it by deceiving them through lying? Is any advantage alowed in a darul kufr by any means for a Muslim?
A: A Muslim should not deceive.
And Allah Ta’ala (الله تعالى) knows best.
عن أبي هريرة أن رسول الله صلى الله عليه وسلم قال من غشنا فليس منا (مسلم #164)