Bulugh al-Maram, Book 11, Hadith 1337 (English) ⓘ

Abu ’Ubaidah al-Jarrah (RAA) narrated, ‘I heard the Messenger of Allah say, “Muslims must respect the protection granted (to a non-Muslim) by other Muslims.” Related by Ibn Abi Shaibah and Ahmad with a weakness in its chain of narrators.

وَعَنْ أَبِي عُبَيْدَةَ بْنِ اَلْجَرَّاحِ ‏- رضى الله عنه ‏- قَالَ: سَمِعْتُ رَسُولَ اَللَّهِ ‏- صلى الله عليه وسلم ‏-يَقُولُ: { " يُجِيرُ عَلَى اَلْمُسْلِمِينَ بَعْضُهُمْ" } أَخْرَجَهُ ابْنُ أَبِي شَيْبَةَ, وَأَحْمَدُ, وَفِي إِسْنَادِهِ ضَعْفٌ 1‏.‏ ‏1 ‏- صحيح بشواهده.‏ رواه أحمد ( 1 / 195 )‏، وأبو يعلى ( 876 و 877 )‏.‏