Narrated Abu Huraira: Allah's Messenger ﷺ said, "If a man says to his brother, O Kafir (disbeliever)!' Then surely one of them is such (ie, a Kafir)".
Furthermore, this hadith encourages us to think twice before making any accusations against another person or group of people. We must always remember that no matter what our differences are, everyone deserves respect and kindness regardless of their beliefs or opinions. By following this advice given by the Prophet Muhammad ﷺ , we can ensure that our relationships remain strong and healthy despite any disagreements we may have with each other.