The ruler is a shield from behind whom they fight and by whom they are protected

Sahih Muslim · Book 33 · Hadith 1841

حَدَّثَنَا إِبْرَاهِيمُ، عَنْ مُسْلِمٍ، حَدَّثَنِي زُهَيْرُ بْنُ حَرْبٍ، حَدَّثَنَا شَبَابَةُ، حَدَّثَنِي وَرْقَاءُ، عَنْ أَبِي الزِّنَادِ، عَنِ الأَعْرَجِ، عَنْ أَبِي هُرَيْرَةَ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ ‏"‏ إِنَّمَا الإِمَامُ جُنَّةٌ يُقَاتَلُ مِنْ وَرَائِهِ وَيُتَّقَى بِهِ فَإِنْ أَمَرَ بِتَقْوَى اللَّهِ عَزَّ وَجَلَّ وَعَدَلَ كَانَ لَهُ ب…

It has been narrated on the authority of Abu Huraira that the Prophet (ﷺ) of Allah (ﷺ) said: A commander (of the Muslims) is a shield for them. They fight behind him and they are protected by (him from tyrants and aggres…