The Peak of Eloquence · Hadith 1850 (#Passage #209)

١٦٤. وَقَالَ (عليه السلام): مَنْ قَضَى حَقَّ مَنْ لَا يَقْضِي حَقَّهُ فَقَدْ عَبَدَهُ.

164. Amīr al-mu’minīn, peace be upon him, said: He who fulfils the right of a man who does not fulfil his right, (is as though he) worships him.

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