Bishops, priests, and deacons.
Bishops may have the title of archbishop, metropolitan, and patriarch.
Priests may have the title of archpriest, protopresbyter, heiromonk, achimandrite, and hegumen.
Deacons may have the title of hierodeacan, archdeacon, or protodeacon.
The lower clergy are subdeacon, reader, and altar server. Some churches bless the cantor.
Besides that, there is the rest of the choir, and general maintenance staff. The organist.
to serve the people in the church and at funerals
ushers
priests do not necessarily have "power" they are there to serve the people who are members of the church
By sharing the word of god to others and so saving people from hell.
Churches, while concentrated do not belong to individual people.
If the Pastor is unable to fully serve the church, he will still have the position of Pastor until his call to Glory, an Assistant Pastor or a designated person of ministry will conduct the services and tend to the needs of God's people.
Q: In a corporate baptist church can deacon also serve as a trustee?
The Catholic Church has always served people in the same way: by bringing God to the people in the sacraments, and by bringing the people to God. They baptized them, confirmed them, heard their confessions, gave them Holy Communion, married them, and buried them.
The church elders
Yes
Men usually are the ones to serve as priests and other higher positions in the Catholic Church. If you mean Man in general, to serve as worshipers.
More men serve churches globally.