The same can be asked of the titles in any protestant church. Why have a "President of the Southern Baptist Convention" when it is NOT a New Testament Church office? Do the Baptists have some alternate version of Book of Acts where Jesus and the apostles create the office of "President of the Southern Baptist Convention"?
The difference is that these posts carry no religious authority.
“The same can be asked of the titles in any protestant church. “
Well, no not really. Administrative/organizational roles are different than New Testament Church offices, which are comprised of elders and deacons.
My point was that there are no priests listed as Offices of the church. Nor does anyone preside over an alter, nor claim to change the bread and wine into the actual Body and Blood of Christ. It isn’t there.