(c. A.D. 296–373) Athanasius was a Bishop of Alexandria and was a leading proponent of orthodoxDerived from a Greek term meaning “right belief” and also “right worship.” When the term is not capitalized it typically refers to teachings i... more trinitarianism in opposition to ArianismAn extension of Logos subordinational theology advocated by Arius, a 4th century priest in Alexandrian, which asserted that Christ was simply a creati... more. His positions led him into conflict with fellow ecclesiasticalFrom the Greek word ecclesia, meaning church or congregation and is used to refer to both separate Christian congregations and to the whole body of Ch... more leaders as well as emperors, but his positions ultimately prevailed.