These tags are closely related:
9 Q'snow 0 Q's)
non-muslim (138 Q's)
This tag is for questions about Islamic guidelines for relations with people who are not Muslim.
kufr (31 Q's)
Question: What's the best way to (re)oranize them?
This requires more Arabic knowledge and familiarity with these terms than I have. I'm particularly interested in if "kafir" and "non-muslim" are the same thing.