A single Christian desiring to get married may receive a proposal from someone of doubtful spirituality or even from an unbeliever.
وَمَاذَا لَوْ عَرَضَ عَلَيْكَ ٱلزَّوَاجَ شَخْصٌ ضَعِيفٌ رُوحِيًّا أَوْ حَتَّى غَيْرُ مُؤْمِنٍ ؟‏