Answer:
(Fatwa: 515=498/B)
There is no matter in showing tolerance and morality towards non-Muslims. Yes, one should not make them bosom friends and should not share secrets.
As far as the matter of their leftover food or drink is concerned, the ruling is that the leftover of every human being is tahir (clean): وسور الآدمي طاھرIt means that the leftover of man is tahir whether he/she is drunkard or abstainer. But, you should not use the leftover of a person who drinks tea or shares food just after drinking.
Allah (Subhana Wa Ta’ala) knows Best
Darul Ifta,
Darul Uloom Deoband
