(4) باب أَعِنْ أَخَاكَ ظَالِمًا أَوْ مَظْلُومًا
Narrated Anas bin Malik:
Allah's Messenger (ﷺ) said, "Help your brother, whether he is an oppressor or he is an oppressed one." (ID)
Reference (ID): Sahih al-Bukhari 2443 (ID)
In-book reference (ID): Book 46, Hadith 4 (ID)
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 3, Book 43, Hadith 623 (ID)