1 Timothy 3:1–7: Overseer Qualifications
First Timothy 3:1–7 treats the wish to oversee a congregation as a good desire, then lays out the settled character that must be tested before anyone is entrusted with God's assembly. The list is a standard for who may serve, not a technique for producing leaders.
Acts 20:28: Shepherds Who Watch Themselves
Oversight in a local church is a trust the Holy Spirit gives, and the charge is to watch over your own life as well as the flock. The ground of that charge is what the assembly cost God.