Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
bayhaqi:21339Abū Bakr > Yaḥyá b. Ādam > Mughīrah

[Machine] About Ibrahim and Al-Sha'abi in the matter of the slave, it is when there is a disagreement between the two men, one of them will emancipate his share. They said that he guarantees its price for his owner with the value of justice on the day he emancipates it.  

البيهقي:٢١٣٣٩وَبِإِسْنَادِهِ ثنا أَبُو بَكْرٍ ثنا يَحْيَى بْنُ آدَمَ عَنْ مُغِيرَةَ

عَنْ إِبْرَاهِيمَ وَالشَّعْبِيِّ فِي الْعَبْدِ يَكُونُ بَيْنَ الرَّجُلَيْنِ فَيُعْتِقُ أَحَدُهُمَا نَصِيبَهُ قَالَا يَضْمَنُ ثَمَنَهُ لِصَاحِبِهِ بِقِيمَةِ عَدْلٍ يَوْمَ أَعْتَقَهُ