We live in busy and critical times, so it is possible that we might not notice that a fellow believer is drifting away from the congregation.
فَكُلٌّ مِنْهُمْ لَهُ قِيمَتُهُ ٱلْفَرْدِيَّةُ تَمَامًا كَمَا أَنَّ كُلَّ عُضْوٍ فِي جِسْمِ ٱلْإِنْسَانِ مُهِمٌّ .‏