﴿ يَٰٓأَيُّهَا ٱلَّذِينَ ءَامَنُوٓا۟ إِن تُطِيعُوا۟ ٱلَّذِينَ كَفَرُوا۟ يَرُدُّوكُمْ عَلَىٰٓ أَعْقَٰبِكُمْ فَتَنقَلِبُوا۟ خَٰسِرِينَ ﴾

“O YOU who have attained to faith! If you pay heed to those who are bent on denying the truth, they will cause you to turn back on your heels, and you will be the losers.”

(O ye who believe) meaning: Hudhayfa [Ibn al-Yaman] and 'Ammar [Ibn Yasir]! (If ye obey those who disbelieve) i.e. Ka'b [Ibn al-Ashraf] and his followers, (they will make you turn back on your heels) they will make you return to your old religion: disbelief, (and ye turn back as losers) duped for loosing both this worldly life and the Hereafter and also for receiving Allah's punishment.