Christadelphians (krĭs'tədĕl`fēənz) [Gr.,=brothers of Christ], small religious denomination founded in the United States in 1848 by John Thomas. Its members live by the Scriptures and await the second coming of Jesus on earth, who, they believe, will establish a theocracy with its center in Jerusalem. There is no ordained ministry. Christadelphians do not believe in the Trinity or the existence of hell. They do not vote, hold public office, or participate in war. There are about 6,500 members in the United States and 50,000 members worldwide.