Salaam to All,
Though it seems that Faith and Religion are just obligatory to each other or لازم و ملزوم, yet it seems that ONLY ALLAH KNOWS BETTER, who is really Mo'min or Muslim by its definition.
The following verse shows that there are NON-MUSLIMS who are BELIEVERS near Allah and will be...
Salaam To All!
I just wonder always why we ignore QURAN always and start from Hadith, or just speculation.
Kindly study these verses in Arabic first, and try to understand what is "Believing" and what is "Being Muslim".
3:102 O ye who believe! Fear God as He should be feared, and do not die...