The Peak of Eloquence · Hadith 2039 (#Passage #398)

وَأَقْبَلَ حَرْبٌ يَمْشِي مَعَهُ، وَهُوَ (عليه السلام) رَاكِبٌ. فَقَالَ (عليه السلام) لَهُ: ارْجِعْ، فَإِنَّ مَشْيَ مِثْلِكَ مَعَ مِثْلِي فِتْنَةٌ لِلْوَالِي، وَمَذَلَّةٌ لِلْمُؤْمِنِ.

Ḥarb began to walk with him while Amīr al-mu’minīn was on horseback, so Amīr al-mu’minīn, peace be upon him, said to him: Get back because the walking of a man like you with one like me is mischief for the ruler and disgrace for the believer.

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