comes
1. A title in the Roman and the Byzantine Empires, designating an official with political but mostly military jurisdiction. Especially the comes Orientis held the position corresponding to that of a vicar in Early Byzantine period. In the years of Justinian I, the comes in head of wider provinces assumed political and military powers, while in the Middle Byzantine period the Opsikion theme was one of the few themes which was the jurisdiction of a comes instead of a strategos.2. A nobility title in medieval Europe.

deacon
An loweroffice of the Orthodox Church.

Gotthograikoi
The Hellenized descendants of the Optimatoi, the Goth soldiers that had been recruited in the mid-6th C. and had settled in Bithynia.

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strategos ("general")
During the Roman period his duties were mainly political. Οffice of the Byzantine state´s provincial administration. At first the title was given to the military and political administrator of the themes, namely of the big geographic and administrative unities of the Byzantine empire. Gradually the title lost its power and, already in the 11th century, strategoi were turned to simple commanders of military units, responsible for the defence of a region.