’Abdur Rahman bin Al-Bailamani narrated that The Messenger of Allah (ﷺ) killed a Muslim who killed a Mu'ahid who had made a covenant with the Muslims, and said, “I am closest to the ones who keep their covenants of protection.” Related by 'Abdur Razzaq.

وَعَنْ عَبْدِ اَلرَّحْمَنِ بْنِ الْبَيْلَمَانِيِّ; { أَنَّ اَلنَّبِيَّ ‏- صلى الله عليه وسلم ‏-قَتَلَ مُسْلِمًا بِمَعَاهِدٍ.‏ وَقَالَ: "أَنَا أَوْلَى مَنْ وَفَى بِذِمَّتِهِ } .‏ أَخْرَجَهُ عَبْدُ اَلرَّزَّاقِ هَكَذَا مُرْسَلًا.‏ وَوَصَلَهُ اَلدَّارَقُطْنِيُّ, بِذِكْرِ اِبْنِ عُمَرَ فِيهِ, وَإِسْنَادُ اَلْمَوْصُولِ وَاهٍ [1]‏ .‏