Abū l-Ḥajjāj Mujāhid ibn Jabr al-Qāriʾ (Arabic: مُجَاهِدُ بْنُ جَبْرٍ) (642–722 CE) was a Tabi' and one of the major early Islamic scholars.
[3] His tafsīr of the Qur'an (exegesis/commentary) is believed to be the earliest existing written exegetical source, although only fragments of it have reached us from the Umayyad era.
Mujahid ibn Jabr was known to be willing to go to great lengths to discover the true meaning of a verse in the Qur'an, and was considered to be a well-travelled man.
His exegesis in general followed these four principles:[6] Al-Tabari's Jami' al-bayan attributes a significant amount of exegetical material to Mujahid.
[3] Al-A'mash said: After praising him in similar terms al-Dhahabi said: "The Ummah is unanimous on Mujahid being an Imam who is worthy in Ihtijaj.