—saying: “Indeed, those who are given to reviling and cursing will not, on the Day of Resurrection, be intercessors or witnesses.”
Abū Hurayrah—may Allah be pleased with him—reported that the Messenger of Allah ﷺ said, “It is not fitting for a ṣiddīq (a sincere, upright believer) to be a curser.” Both reports are recorded by Muslim.
ʿAbd Allāh ibn Masʿūd—may Allah be pleased with him—stated that the Messenger of Allah ﷺ said, “A believer is not a slanderer, nor a curser, nor obscene, nor foul-mouthed.” Al-Tirmidhī relates it and graded it “ḥasan.” (2)
Another narration reads, “No man curses anything that is not deserving of a curse except that the curse rebounds upon him.” (2)
Such stern warnings about cursing have led some to say that whoever curses one who is undeserving becomes himself the accursed; that this kind of cursing is outright wickedness, stripping a person of the rank of the truthful and of the privilege of intercession and testimony. It therefore applies to anyone who curses one who is not deserving.
Accordingly, if the person who commits the disputed act is not covered by the text, then he is not worthy of a curse, and whoever curses him subjects himself to this very threat, and thus he becomes