Abu-Bakr. (n.d.). In YourDictionary. Retrieved from https://www.yourdictionary.com/abu-bakr
also A·bu Bekr 573?-634
First caliph of the Muslim empire (632-634). He was one of the earliest converts to Islam and ascended to power after the death of his son-in-law Muhammad, establishing Islam as a political and military force throughout Arabia.