Relief and comfort as atonement for sins
Nahj al-Balāgha|Volume 1|Book 3|Chapter 24
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.