A heresiarch (also hæresiarch, according to the Oxford English Dictionary; from the Greek: αἱρεσιάρχης, hairesiárkhēs, literally "heresy chief")'s a founder or leader of a heretical doctrine or movement, as considered by those who claim to maintain an orthodox religious tradition or doctrine. For example, according to traditional Catholic doctrine, King Henry VIII of England was a heresiarch, as he influenced the Archbishop… (More on Heresiarch)