A’ishah said (this is the version of narrator Yahya). A man from the polytheists accompanied the Prophet ﷺ to fight along with him. He said “Go back. Both the narrators (Musaddad and Yahya) then agreed. The Prophet said “We do not want any help from a polytheist.”  

أَنَّ رَجُلاً مِنَ الْمُشْرِكِينَ لَحِقَ بِالنَّبِيِّ ﷺ لِيُقَاتِلَ مَعَهُ فَقَالَ ارْجِعْ ثُمَّ اتَّفَقَا فَقَالَ إِنَّا لاَ نَسْتَعِينُ بِمُشْرِكٍ