What should a Muslim do who has a non-Muslim relative?

Question 11: What should a Muslim who has a non-Muslim sibling or child do?

Answer: Muslims should invite their non-Muslim relatives and others to Islaam and explain to them the virtues of Islaam and its beneficent laws and rulings. They should emphasize that Allaah will not accept from any person a religion other than Islaam (submission and resignation to Allaah alone) on the Day of Resurrection… read more here.

A Muslim accepting a gift from his non-Muslim or Mushrik brother

Question 3: What is the ruling on two brothers, one of whom is a Muslim and the other is a Mushrik (one who associates others with Allaah in His Divinity or worship) and rich. Is it permissible for the Muslim brother to accept a gift from his Kaafir (non-Muslim), mushrik brother, or not?

Answer: It is permissible for a Muslim to accept a gift from his brother if he is a kaafir or a mushrik… read more here.