The Sufficient (Vol 2) · Hadith 760 (#Ḥadīth #3)
Chapter 90 | Giving Good Advice to the Believers
3ـ ابْنُ مَحْبُوبٍ عَنِ ابْنِ رِئَابٍ عَنْ أَبِي عُبَيْدَةَ الْحَذَّاءِ عَنْ أَبِي جَعْفَرٍ (عَلَيهِ السَّلام) قَالَ يَجِبُ لِلْمُؤْمِنِ عَلَى الْمُؤْمِنِ النَّصِيحَةُ.
3. Ibn Mahbub has narrated from ibn Ri’ab from abu ‘Ubaydah al-Hadhdha’ from abu Ja’far who has said the following: “It is of a believer’s obligations to provide good advice to another believer.”
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).