Musannaf Ibn Abi Shaybah

It is narrated from Hazrat Abu Saeed Al-Asam (may Allah be pleased with him) that the Noble Prophet (peace and blessings be upon him) gave a ruling regarding a slave: if he leaves the land of war (Dar al-Harb) before his master, he is free, and if later his owner comes, he will not be returned. But if the owner comes out of Dar al-Harb before the slave, and then the slave comes after him, then the slave will be given to the master.

Hazrat Ibn Abbas (may Allah be pleased with both of them) narrates that the Holy Prophet (peace and blessings be upon him) would set free any slave who became Muslim and arrived from the land of war before his master. On the day of Ta’if, he set free two such slaves.

Hazrat Ikrimah (may Allah be pleased with him) narrates that if a person becomes Muslim in the land of the enemy and comes to the Muslims before his property (slave), and then later his property arrives, then he has a greater right to his property. But if his slave arrives before him, then the slave will be considered free.