But that won't stop me from expounding on it....
-— One man stands above all others in matters of the Word of God and the church doctrine in Catholicism. -—
Yes. And the pope has formally exercised his charism of infallibility arguably 2-3 times in the past 100+ years.
-— This requires the man be of unquestionable faith, steadfast in his beliefs, a practitioner of the Word of God, pure in heart and character, just, and beyond reproach in every way.-—
Like Peter? Where does the necessity of impeccability come from?
The pope is the vizier/vice-regent/majordomo/master of the palace of the eternal Davidic Kingdom, of which Jesus is the king. See Rev. 3:7.
In the ancient world and the ancient Jewish world, the vizier was the king's “right hand man,” and would reign if the king was incapacitated. See the book of Kings or google “vizier bible kings.”
We see the transfer in office of the vizier or master of the palace in Isaiah 22, from Shebna to Eliakim.
We also see that the vizier's authority was represented by a sash and over-sized key which the vizier wore over his shoulder.
Isaiah tells us that “he will be like a father over all of Judah.”
Jesus, who sits on the throne of David (see Luke), gives the keys of the kingdom to Peter in Matthew 16:19.
This office has had an unbroken line of successors for 2000 years. The pope, like the Apostles, has the authority to "bind and loose." Look up the meaning. It means indisputable ecclesial authority. "If he won't listen to the church, treat him as a pagan or tax-collector." --Jesus
Does that mean you now believe in climate change?