There is nothing bigger or smaller than the local church; the New Testament only authorizes a given location and that is what a church is.   Acts 11.22-30 Acts 13.1. Acts 9.19. 1 Cor 1.2.  Rom 16.1:5
 
The New Testament does not recognize a headquarter and connecting dioceses and other things that make up
a church. The government inside the local church consists of membership, deacons and elders. Phil 1.1.
The headquarters is in heaven where Jesus Christ is the head. Eph 5.23. 
 
This is a different from what you see in many denominations across the world. When you look at man-made religion, you will see various headquarters located in different lands that serve as the brain of various congregations.  There are no conventions to bring all the churches together because according to the New Testament, each church is autonomous and under the oversight of its elders, decide what that local church is going to do. Acts 20.17.28.  1 Peter 5.1-4
 
 What needs to happen is study of the New Testament organization of the church. Afterwards patterning the church as the scriptures reveal.
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If not, look out for more man-made doctrine. Mark 7.6-13. Rom 10.1-4.

  A law made by men is “denying marriage to priests". 1 Tim 4.1-5
 
In the New Testament all Christian’s are priests, with Jesus being the High Priest. 
1 Pt 2:5:11 Heb 4:14-15.
 
Since God did not authorize the office of priests as some teach today, the ‘no marriage’
​rule goes out the window.  
 
However, notice who can marry according to the Bible. 
 
            1. Those who have never been married. Matt 19:4-6. 
            2. Those who are widowed.  Rom 7:1-4. 1 Cor 7:39.
            3. The innocent persons who divorced their adulteress mates. Matt 19:9.
 

Moses and Aaron told Pharaoh, Thus saith the Lord, Let my people go, that they may serve Me.    Pharaoh replied, Who is the Lord, that I should obey his voice?  I don’t know the Him and neither will I let the Israelites go.  Ex 5.1-2
 
And then will I profess unto them, I never knew you: depart from Me, ye that work iniquity. 
 Matt 7.234

We know that we know Him, if we keep His commandments.  1 John 2.3

When we know someone, that means we have a relationship with them. We see that the Pharaoh of Egypt had no relationship with the Lord, therefore he didn't know Him.  On the Judgment Day there will be people who think Jesus knows them; but such won’t be the case.  Jesus will tell them to get away from Him!    Finally, the only way to be sure we know God and that He knows us, is to keep His commandments.   The Pharaoh didn’t and those people on the Judgment Day haven’t not either.