Well Jesus did distinguish his apostles from others as his chosen ones based on the fact that God showed them to be his apostles but I see nowhere that Paul depicts choosing leaders in Titus 1:7-9, and he tells us the offices that Jesus gave to the church in Ephraim 4:11-12
I see no where in this and other scriptures where Jesus or Paul pointed leadership over the body of Christ. What he gave were servants.
Bishop=Greek -epískopos =overseer
I PETER
1 Peter 5:1-4: "The elders who are among you I exhort, I who am a fellow elder and a witness of the sufferings of Christ, and also a partaker of the glory that will be revealed: Shepherd the flock of God which is among you, serving as overseers , not by constraint but willingly, not for dishonest gain but eagerly; nor as being lords over those entrusted to you, but being examples to the flock; and when the Chief Shepherd appears, you will receive the crown of glory that does not fade away."
Acts 20:28
Pay attention to yourselves and to the entire flock in which the Holy Spirit has placed you as bishops to be shepherds for God's church which he acquired with his own blood.
Titus 1:7
For a bishop must be blameless, as the steward of God; not selfwilled, not soon angry, not given to wine, no striker, not given to filthy lucre;
Matt 28
18Then Jesus came to them and said, “All authority in heaven and on earth has been given to me.
19Therefore go and make disciples of all nations, baptizing them in the name of the Father and of the Son and of the Holy Spirit,
20and
teaching them to obey everything I have commanded you. And surely I am with you always, to the very end of the age.”
2 Cor 5:18
18
All this isfrom God, who reconciled us to Himselfthrough Christ and gave us the ministry of reconciliation: