The Book of the Believer · Hadith 96 (#Ḥadīth #4)

96 - وعن أبي عبد الله (ع) قال المؤمنُ أخو المؤمن يحِقُّ عليه نصيحتُه ومواساتُه ومَنعُ عدوِّه منه.

96. It has been reported that Abu 'Abd Allah said: A believer is a brother to another believer and it is his right that he should counsel him, sympathize with him and prevent his enemies from harming him.

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