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suyuti:3613a
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السيوطي:٣٦١٣a

"أعِن أخاك ظالمًا، أو مظلومًا" .  

[عد] ابن عدى في الكامل عن جابر

See similar narrations below:

Collected by Bukhārī, Suyūṭī
bukhari:2443ʿUthmān b. Abū Shaybah > Hushaym > ʿUbaydullāh b. Abū Bakr b. Anas And Ḥumayd al-Ṭawīl Samiʿā Anas b. Mālik

Messenger of Allah ﷺ said, "Help your brother, whether he is an oppressor or he is an oppressed one."  

البخاري:٢٤٤٣حَدَّثَنَا عُثْمَانُ بْنُ أَبِي شَيْبَةَ حَدَّثَنَا هُشَيْمٌ أَخْبَرَنَا عُبَيْدُ اللَّهِ بْنُ أَبِي بَكْرِ بْنِ أَنَسٍ وَحُمَيْدٌ الطَّوِيلُ سَمِعَا أَنَسَ بْنَ مَالِكٍ ؓ يَقُولُ

قَالَ رَسُولُ اللَّهِ ﷺ انْصُرْ أَخَاكَ ظَالِمًا أَوْ مَظْلُومًا