The following article will consider how Romans chapter 5 develops this aspect of the good news. You will probably find that study to be useful in your ministry.
أَمَّا بِٱلنِّسْبَةِ إِلَى آخَرِينَ فَهذَا ٱلْمَفْهُومُ جَدِيدٌ تَمَامًا ،‏ أَمْرٌ يَجْهَلُونَهُ أَوْ لَا يُؤْمِنُونَ بِهِ عُمُومًا فِي حَضَارَتِهِمْ .‏