A deacon is a role in the Christian church. The job of a deacon is different depending on the church he or she is a part of. A deacon usually helps to run the church and teaches people about Christianity. A deacon can also witness marriages.
Men who intend to become priests are usually named deacons for some time before advancing onto the rank of priest.
A protodeacon is an honorary rank given to certain married deacons in Eastern Christian churches. In the Russian Orthodox Church it is an honorary title given to married deacons, as a mark of which, the clergyman is entitled to wear a burgundy-colored skufia.