"Verbally abusing the Muslim is disobedience and fighting him is disbelief." Zubaid said:"I said to Abu Wa'il: 'Did you hear it from 'Abdullah?' He said: 'Yes.'"  

قَالَ رَسُولُ اللَّهِ ﷺ سِبَابُ الْمُسْلِمِ فُسُوقٌ وَقِتَالُهُ كُفْرٌ قَالَ زُبَيْدٌ قُلْتُ لأَبِي وَائِلٍ أَأَنْتَ سَمِعْتَهُ مِنْ عَبْدِ اللَّهِ قَالَ نَعَمْ