Sahih al-Bukhari · The Book of Al-Ikrah (Coercion)
4- بَابُ إِذَا أُكْرِهَ حَتَّى وَهَبَ عَبْدًا أَوْ بَاعَهُ لَمْ يَجُزْ:
(4) Chapter. If someone gives a slave as a present or sold him under coercion, his deed is invalid.
1 hadith · references 6947–6947
Sequential reading