Thus originally, a deacon was ''not'' a preacher but rather was a minister charged with being a church social worker, a treasurer, and a business functionary. It is known that deacons were, in the first several centuries of Christian Church history, key advisors to the bishops. That role has now mainly passed to the priests. | Thus originally, a deacon was ''not'' a preacher but rather was a minister charged with being a church social worker, a treasurer, and a business functionary. It is known that deacons were, in the first several centuries of Christian Church history, key advisors to the bishops. That role has now mainly passed to the priests. |