0

This question already has an answer here:

There are several groups of people who claim to be Christians. Some people in these groups say that people from other groups claiming to be Christians are not Christians. But, as we know from Islam, who really is a Christian? And also, as we know from Islam, who really is a Jew?

marked as duplicate by Ahmed, UmH, Sassir, Jamila, Medi1Saif Feb 11 at 8:00

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.