What is the ruling on buying from the kuffaar when there are Muslims around?

He promised a kaafir that he would go to the church with him

Ruling on obtaining nationality of a kaafir state

The problem of Muslims’ linguistic assimilation in foreign countries

She wants to embrace Islam but does not want to leave her kaafir husband

Is it permissible for Muslims to vote for kaafirs who seem to be less evil?

Is Accepting Donations from Non-Muslims Permissible?

Greeting Non-Muslims on Their Festivals