حَدَّثَنَا حَدَّثَنَا أَبُو بَكْرٍ النَّيْسَابُورِيُّ ، ثنا عَبْدُ الرَّحْمَنِ بْنُ بِشْرٍ ، وَأَبُو الأَزْهَرِ ، قَالا : نا عَبْدُ الرَّزَّاقِ ، أنا ابْنُ جُرَيْجٍ ، أَخْبَرَنِي عَمْرُو بْنُ دِينَارٍ ، أَخْبَرَنِي جَابِرُ بْنُ عَبْدِ اللَّهِ ، أَنَّ مُعَاذًا " كَانَ يُصَلِّي مَعَ رَسُولِ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ الْعِشَاءَ ، ثُمَّ يَنْصَرِفُ إِلَى قَوْمِهِ فَيُصَلِّي لَهُمْ تِلْكَ الصَّلاةَ ، هِيَ لَهُ نَافِلَةٌ وَلَهُمْ فَرِيضَةٌ " .
Sayyiduna Jabir bin Abdullah (may Allah be pleased with him) narrates: Sayyiduna Mu'adh (may Allah be pleased with him) used to perform the 'Isha prayer behind the Prophet (peace and blessings be upon him), and then he would return to his locality and lead his people in prayer. That prayer was voluntary (nafl) for Sayyiduna Mu'adh (may Allah be pleased with him) and obligatory (fard) for those people.