I say no clergy existed in the original church...
And here is why, Jesus instructed his disciples, "You know that the rulers of the Gentiles lord it over them, and those who are great exercise authority over them. Yet it shall not be so among you, but whoever desires to become great among you, let him be your servant."
(Matthew 20:25-26 NKJV)
Here is how we know Peter was never a pope: "Shepherd the flock of God which is among you, serving as overseers, not by compulsion but willingly, not for dishonest gain but eagerly, nor as being lords over those entrusted to you but being examples to the flock..."
(1 Peter 5:2-3 NKJV)
But this you have, that you hate the deeds of the Nicolaitans, which I also hate. (Revelation 2:6 NKJV)
There is no conquered laity in the church of God.