Prohibitions: considering someone else one's father, claiming someone else's property, labeling a Muslim a kāfir (disbeliever) or an enemy of Allah

heard the Messenger of Allah ﷺ say, "No person who claimed someone else as his father other than ˹his own˺ knowingly has committed nothing but kufr (infidelity). He who made a claim of a thing that does not belong to him is not from us and he should prepare his abode in Hellfire."

"And he who labeled anyone with kufr (disbelief) or called him an enemy of Allah while he is not, then it gets ˹thrown˺ back on him."  

أَنَّهُ سَمِعَ رَسُولَ اللَّهِ ﷺ يَقُولُ: «لَيْسَ مِنْ رَجُلٍ ادَّعَى لِغَيْرِ أَبِيهِ وَهُوَ يَعْلَمُهُ إِلاَّ كَفَرَ؛ وَمَنِ ادَّعَى مَا لَيْسَ لَهُ فَلَيْسَ مِنَّا وَلْيَتَبَوَّأْ مَقْعَدَهُ مِنَ النَّارِ؛»

«وَمَنْ دَعَا رَجُلاً بِالْكُفْرِ أَوْ قَالَ عَدُوَّ اللَّهِ وَلَيْسَ كَذَلِكَ إِلاَّ حَارَ عَلَيْهِ۔»  

Do not detest your fathers; he who detested his father committed infidelity.  

أَنَّهُ سَمِعَ أَبَا هُرَيْرَةَ يَقُولُ إِنَّ رَسُولَ اللَّهِ ﷺ قَالَ لاَ تَرْغَبُوا عَنْ آبَائِكُمْ فَمَنْ رَغِبَ عَنْ أَبِيهِ فَهُوَ كُفْرٌ  

Both of my ears heard the Messenger of Allah saying this: He who claimed the fatherhood of anyone else besides his real father knowingly (committed a great sin) ;Paradise is forbidden to him. Abu Bakra asserted that he too heard it from the Messenger of Allah (may peace be upon him ).  

لَمَّا ادُّعِيَ زِيَادٌ لَقِيتُ أَبَا بَكْرَةَ فَقُلْتُ لَهُ مَا هَذَا الَّذِي صَنَعْتُمْ إِنِّي سَمِعْتُ سَعْدَ بْنَ أَبِي وَقَّاصٍ يَقُولُ سَمِعَ أُذُنَاىَ مِنْ رَسُولِ اللَّهِ ﷺ وَهُوَ يَقُولُ مَنِ ادَّعَى أَبًا فِي الإِسْلاَمِ غَيْرَ أَبِيهِ يَعْلَمُ أَنَّهُ غَيْرُ أَبِيهِ فَالْجَنَّةُ عَلَيْهِ حَرَامٌ فَقَالَ أَبُو بَكْرَةَ وَأَنَا سَمِعْتُهُ مِنْ رَسُولِ اللَّهِ ﷺ  

My ears heard and my hearing preserved it that Muhammad (peace and blessings be upon him) observed: He who claimed for another one his fatherhood besides his own father knowingly that he was not his father-to him Paradise is forbidden.  

عَنْ سَعْدٍ وَأَبِي بَكْرَةَ كِلاَهُمَا يَقُولُ سَمِعَتْهُ أُذُنَاىَ وَوَعَاهُ قَلْبِي مُحَمَّدًا ﷺ يَقُولُ مَنِ ادَّعَى إِلَى غَيْرِ أَبِيهِ وَهُوَ يَعْلَمُ أَنَّهُ غَيْرُ أَبِيهِ فَالْجَنَّةُ عَلَيْهِ حَرَامٌ