Jabr (slave) explained

Jabr was a young Christian slave who belonged to the Banu i-Hadrami tribe of Mecca, Jabr was later called a companion of the Islamic prophet Muhammad.

Accusations of informants contributing to Muhammad's recitations were made by his opponents. Jabr is identified by name in one account mentioned by Ibn Ishaq:

He is also identified by his kunya by Muqatil ibn Sulayman but called a Jew. This is an except glossed by Claude Gillot:

Bibliography

• Book: Gilliot, Claude. The Qur'an in its Historical Context. Routledge. 2008. 9780415428996. Reynolds. Gabriel Said. London. Reconsidering the authorship of the Qur’an: is the Qur’an partly the fruit of a progressive and collective work?.
• Book: Guillaume, Alfred. 1978. The Life of Muhammad: A Translation of Ibn Ishaq's Sirat Rasul Allah. Karachi. Oxford University Press. 180. 978-0196360331. Ibn Ishaq.