The Peak of Eloquence · Hadith 1668 (#Passage #27)

٢٤. وَقَالَ (عليه السلام): مِنْ كَفَّارَاتِ الذُّنُوبِ الْعِظَامِ إِغَاثَةُ الْمَلْهُوفِ، وَالتَّنْفِيسُ عَنِ الْمكْرُوبِ.

24. Amīr al-mu’minīn, peace be upon him, said: Rendering relief to the grief-stricken and providing comfort in hardship are among the means of atonement for great sins.

Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).