The Rewards & Punishments of Deeds · Hadith 1055 (#Ḥadīth #4)

وَ بِهَذَا الْإِسْنَادِ عَنْ عَبْدِ اللَّهِ بْنِ مُسْکَانَ عَنْ دَاوُدَ بْنِ فَرْقَدٍ عَنْ أَبِی شَیْبَهَ الزُّهْرِیِّ عَنْ أَبِی جَعْفَرٍ ع قَالَ: بِئْسَ الْعَبْدُ عبدا [عَبْدٌ] هُمَزَهٌ لُمَزَهٌ یُقْبِلُ بِوَجْهِهِ وَ یُدْبِرُ بِآخَرَ.

4. And from the previous chain from Abdillah b. Muskan from Dawud b. Farqad from Abi Shaybah al-Zuhri from Abi Ja’far who said: “A person who talks bad about each and every small thing is a sinner. He faces people with a face and has another on their back.”

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