This is an odd question. The term archbishop is usually used in reference to certain bishops in the Catholic Church. The Catholic Church, being the Church Christ established is quite Christian, and therefore Catholic archbishops are Christians.
An Archbishop is just a Bishop of an Archdiocese, so, not counting retired archbishops, there are 33 Archbishops as there are 33 Archdioceses in the United States. Cardinals are mostly Archbishops.
bishops and archbishops
The Archbishops' Council was created in 1999. It was established as part of the governance structure of the Church of England, serving as a body that assists the Archbishops of Canterbury and York in the administration and decision-making of the church.
archbishops
Archbishops and Archdeacons
My Anglican minister said one suffices for both Bishops and Archbishops.
Immediate Head of Bishops of certain areas
More or less. In both churches archbishops are high ranking bishops usually in charge of a large or historically important area.
Historically, it was considered a good career for younger sons; bishops and archbishops lived a fairly noble-like lifestyle, and it avoided splitting the family estate.
Popes, cardinals, archbishops and bishops
All cardinals are bishops or archbishops.
T.S. Eliot, Murder in the Cathedral.