What about pastors, elders and deacons?

The Bible doesn't really say much about pastors (as a noun).  It talks about elders (plural) who are to pastor (a verb meaning to care for as a shepherd cares for sheep) the local church members.  Pastors (as a noun) are only mentioned among the five traveling ministries/offices in Ephesians 11.  Something happened during the dark ages to destroy the order of the church.  New ideas were introduced by people who, I'm sure, were well-meaning.  They changed the pattern of the Scripture into something else that has severe faults.

As with the local church of Scripture, so with the universal church of the Scripture, it is ruled by elders and deacons.  The Bible has a lot to say about these universal elders and deacons, just as it has a lot to say about local elders and deacons.  There are apostolic elders and apostolic deacons.  There are elders (plural) and deacons (plural) in the local churches who are set by apostles and are in submission to the apostles.