Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
nasai:5676Zakariyyā b. Yaḥyá > ʿAbd al-Aʿlá b. Ḥammād > Muʿtamir b. Sulaymān > ʿAbd al-Razzāq > Maʿmar > al-Zuhrī > Saʿīd b. al-Musayyab > Gharrab

"'Umar, may Allah be pleased with him, banished Rabi'ah bin Umaiyah to Khaibar for drinking Khamr, and he went and joined Heraclius and became a Christian. 'Umar, may Allah be pleased with him, said: 'I will never expel any Muslim after this.'"  

النسائي:٥٦٧٦أَخْبَرَنَا زَكَرِيَّا بْنُ يَحْيَى قَالَ حَدَّثَنَا عَبْدُ الأَعْلَى بْنُ حَمَّادٍ قَالَ حَدَّثَنَا مُعْتَمِرُ بْنُ سُلَيْمَانَ قَالَ حَدَّثَنِي عَبْدُ الرَّزَّاقِ عَنْ مَعْمَرٍ عَنِ الزُّهْرِيِّ عَنْ سَعِيدِ بْنِ الْمُسَيَّبِ قَالَ غَرَّبَ عُمَرُ ؓ رَبِيعَةَ بْنَ أُمَيَّةَ فِي الْخَمْرِ إِلَى خَيْبَرَ فَلَحِقَ بِهِرَقْلَ فَتَنَصَّرَ فَقَالَ

عُمَرُ ؓ لاَ أُغَرِّبُ بَعْدَهُ مُسْلِمًا  


See similar narrations below:

Collected by Nasāʾī's Kubrá
nasai-kubra:5166Zakariyyā b. Yaḥyá > ʿAbd al-Aʿlá b. Ḥammād > Muʿtamir b. Sulaymān > ʿAbd al-Razzāq > Maʿmar > al-Zuhrī > Saʿīd b. al-Musayyib

"'Umar, may Allah be pleased with him, banished Rabi'ah bin Umaiyah to Khaibar for drinking Khamr, and he went and joined Heraclius and became a Christian. 'Umar, may Allah be pleased with him, said: 'I will never expel any Muslim after this.'" (Using translation from Nasāʾī 5676)  

الكبرى للنسائي:٥١٦٦أَخْبَرَنَا زَكَرِيَّا بْنُ يَحْيَى قَالَ حَدَّثَنَا عَبْدُ الْأَعْلَى بْنُ حَمَّادٍ قَالَ حَدَّثَنَا مُعْتَمِرُ بْنُ سُلَيْمَانَ قَالَ حَدَّثَنِي عَبْدُ الرَّزَّاقِ عَنْ مَعْمَرٍ عَنِ الزُّهْرِيِّ عَنْ سَعِيدِ بْنِ الْمُسَيِّبِ قَالَ غَرَّبَ عُمَرُ رَبِيعَةَ بْنَ أُمَيَّةَ فِي الْخَمْرِ إِلَى خَيْبَرَ فَلَحِقَ بِهِرَقْلَ فَتَنَصَّرَ فَقَالَ

عُمَرُ «لَا أُغَرِّبُ بَعْدَهُ مُسْلِمًا»