Yes remember and egoist is a person that cares about himself only and no one else. So that isn't stopping him from believing in Judeo-Christian-Muslim God.
Both religions teach that there is only one God. However, each religion differs on the details. Christianity teaches that the Father, Jesus, and the Holy Ghost are parts or different forms of God,...
God is the Creator. God is the one and only one God with no partner, no son, no companion, no associate, and no equivalence. God is beyond being confined in a picture or visualized in our imagination.
Islam religion is monotheism religion. Muslims worship one and only one God with no partner, no son, no companion, no associate, and no equivalence. God who is worshiped by Muslims is the same to all...