Umar bin Khattab reported,

I instruct him by the covenant of Allah and the covenant of His Messenger ﷺ that their pledge be fulfilled, that they be defended in battle, and that they not be burdened beyond their capacity.

Bukhari 3052

Sahih

حدثنا موسى بن إسماعيل حدثنا أبو عوانة عن حصين عن عمرو بن ميمون

عن عمر رضي الله عنه قال

وأوصيه بذمة الله وذمة رسوله ﷺ أن يوفى لهم بعهدهم وأن يقاتل من ورائهم ولا يكلفوا إلا طاقتهم

البخاري 3052صحيح
Contents
Reference
Commentary
Ayat
Collection
Sahih Bukhari
Book
Jihad and expeditions
Chapter
Fighting in defense of dhimmis, and they are not to be enslaved
Numbering
Darussalam 3052
Bukhari 3052