Comparative religion Abrahamic religions consists of the three monotheistic religions, Christianity, Islam and Judaism, which claim Abraham (Hebrew "Avraham" אַבְרָהָם; Arabic "Ibrahim" إبراهيم ) as a part of their sacred history. Smaller religions such as Bahá'í Faith that fit this description are sometimes included but are often omitted. The original belief in the One God of Abraham eventually became strictly monotheistic present-day Rabbinic Judaism. Christians believe that Christianity is the fulfillment and continuation of the Jewish Old Testament. Christians believe that Jesus (Hebrew "Yeshua" יֵשׁוּעַ) is the Messiah (Christ) foretold in the Old Testament prophecy, and believe in subsequent New Testament revelations
Split of Christianity and Judaism CE there were not yet two separate religions called 'Judaism' and 'Christianity'". Most historians agree that Jesus or his followers established a new Jewish sect, one that attracted both Jewish and gentile converts. According to New Testament scholar Bart D. Ehrman, a number of early Christianities existed in the first century CE, from which developed various Christian traditions and denominations, including proto-orthodoxy. According to theologian James D. G. Dunn, four types of early Christianity can be discerned: Jewish Christianity, Hellenistic Christianity, Apocalyptic Christianity, and early Catholicism. The first followers of Jesus were essentially all ethnically Jewish or Jewish proselytes. Jesus