Messenger of Allah ﷺ said, "A faithful believer remains at liberty regarding his religion unless he kills somebody unlawfully."

قَالَ رَسُولُ اللَّهِ ﷺ لَنْ يَزَالَ الْمُؤْمِنُ فِي فُسْحَةٍ مِنْ دِينِهِ مَا لَمْ يُصِبْ دَمًا حَرَامًا