Acceptance of Islam
Hazrat Abu Ubaidah (ra) accepted Islam through the preaching of Hazrat Abu Bakr (ra) at a time when the Muslims had not yet sought refuge in Dar al-Arqam. He converted before this time. Hazrat Abu Ubaidah bin Jarrah (ra) was the ninth person to accept Islam.
(Asharah Mubasharah, Bashir Sajid, p. 798, al-Badr Publications, Lahore, 2000) (Sheikh Shah Moinuddin Ahmad Nadvi, Siyar al-Sahabah, Vol. 2 [Karachi, Pakistan: Dar al-Isha‘ah, 2004], 124.)