What should I do about my maternal uncle who is addicted to alcohol, doesn't pray, and curses religion, knowing that expelling him will lead him to the streets and might anger my mother?

The tribulations of Muslims in lands of disbelief are many, and their societies are not suitable for their religion. One must be patient with the uncle, for the seed of faith is still alive in his heart. Continue advising and caring for him tirelessly, as his guidance is better than red camels. His staying at home with care is better than him loitering in the streets; this is an instance of committing the lesser of two evils. In this, there is righteousness towards the mother and her satisfaction. Strive to invite him to goodness and preoccupy him from evil, and gradually take him to the mosque.