Abraham
Abraham is a significant character in other religions, not only Christianity but Islam too. Abraham was the first person to teach the idea that there was only one God; before then, people believed in many gods.
Muslims know Abraham as Ibrahim, and regard his as an important prophet of their faith. Ibrahim’s first son Ishmael, known as Isma’il, is regarded as the father of the Arab people. Abraham (“The Father of Many Nations”), a native of Ur in Mesopotamia, is called by God (Yahweh) to leave his own country and people and journey to an undesignated land, where he will become the founder of a new nation.
He obeys the call unquestioningly and (at 75 years of age) proceeds with his barren wife, Sarai, later named Sarah (“Princess”), his nephew Lot, and other companions to the land of Canaan (modern day Palestine).