One more scripture and then I am logging off. (For real this time)
1 This is a true saying, If a man desire the office of a bishop, he desireth a good work. 2 A bishop then must be
blameless, the husband of one wife, vigilant, sober, of good behaviour, given to hospitality, apt to teach;
1 Tim 3:1-2 (KJV)
As soon as a preacher stops being blameless, or any of these other requirements, it's time for him to step down because he's unqualified for the position he holds.