Eating with non-Muslims
Question
Question: May Muslims sit together and eat with people of such religions (and communities) as the sweepers, Chamars (an Indian caste of leatherworkers, regarded as low), Hindus, Christians and so on, or not? Are the leftovers of food and drink of these people of other faiths pure or impure?
Answer
Eating with such people is makruh. If, owing to some compulsion, one is caught in this once or twice somewhere, there is no sin. This is when their food and vessels are pure, or their impurity is not known. If it is known that their vessels are impure, or the food is haram — carrion and the like — then eating is by no means proper, neither with them nor from their vessels —…
Source: Fatawa Mahmudiyya
Preview. The full text opens with JavaScript enabled.