That’s one way of looking at it, I suppose. I think “non-believers” normally means “people who don’t believe in that religion.” Remember the original question was—how can an Abrahamic religion co-exist with a different religion? These are clearly different religions. I do think I’m drawing a meaningful distinction in that Christians believe that the only way to heaven is through Jesus (John 14:6, perhaps the most famous verse in the NT) whereas Islam teaches that you don’t have to be a Muslim to go to heaven.
That’s one way of looking at it, I suppose. I think “non-believers” normally means “people who don’t believe in that religion.” Remember the original question was—how can an Abrahamic religion co-exist with a different religion? These are clearly different religions. I do think I’m drawing a meaningful distinction in that Christians believe that the only way to heaven is through Jesus (John 14:6, perhaps the most famous verse in the NT) whereas Islam teaches that you don’t have to be a Muslim to go to heaven.