The apostles were travelling missionaries or evangelists.
The local societies became "Corps," and their evangelists "Field Officers," with Booth as "General" of the whole body.
Miinzer dreamed of an approaching millennium on earth to be heralded by violence and suffering, but Hubmaier and Denk were peaceful evangelists who believed that man's will was free and that each had within him an inner light which would, if he but followed it, guide him to God.
Some have supposed that the same Logian document in Greek which was used by the first and third evangelists was also used by Mark.
Missionaries and evangelists went continually from place to place.