There are many scriptural mandates. Here is one:
(1Ti 5:17 KJV) Let the elders that rule well be counted worthy of double honour, especially they who labour in the word and doctrine.
Here is another:
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Heb 13:17 KJV) Obey them that have the rule over you, and submit yourselves: for they watch for your souls, as they that must give account, that they may do it with joy, and not with grief: for that is unprofitable for you.
Not that I expect you to understand or even accept these passages. Ministerial ethics are even outlined by Paul for example when he said:
(1Ti 3:1 KJV) This is a true saying, If a man desire the office of a bishop, he desireth a good work.
(1Ti 3:2 KJV) A bishop then must be blameless, the husband of one wife, vigilant, sober, of good behaviour, given to hospitality, apt to teach;
(1Ti 3:3 KJV) Not given to wine, no striker, not greedy of filthy lucre; but patient, not a brawler, not covetous;
(1Ti 3:4 KJV) One that ruleth well his own house, having his children in subjection with all gravity;
(1Ti 3:5 KJV) (For if a man know not how to rule his own house, how shall he take care of the church of God?)
(1Ti 3:6 KJV) Not a novice, lest being lifted up with pride he fall into the condemnation of the devil.
(1Ti 3:7 KJV) Moreover he must have a good report of them which are without; lest he fall into reproach and the snare of the devil.
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Tit 1:7 KJV) 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;
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Tit 1:8 KJV) But a lover of hospitality, a lover of good men, sober, just, holy, temperate;
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Tit 1:9 KJV) Holding fast the faithful word as he hath been taught, that he may be able by sound doctrine both to exhort and to convince the gainsayers.
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Tit 1:10 KJV) For there are many unruly and vain talkers and deceivers, specially they of the circumcision:
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Tit 1:11 KJV) Whose mouths must be stopped, who subvert whole houses, teaching things which they ought not, for filthy lucre's sake.
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Tit 1:12 KJV) One of themselves, even a prophet of their own, said, The Cretians are alway liars, evil beasts, slow bellies.
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Tit 1:13 KJV) This witness is true. Wherefore rebuke them sharply, that they may be sound in the faith;
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Tit 1:14 KJV) Not giving heed to Jewish fables, and commandments of men, that turn from the truth.
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Tit 1:15 KJV) Unto the pure all things are pure: but unto them that are defiled and unbelieving is nothing pure; but even their mind and conscience is defiled.
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Tit 1:16 KJV) They profess that they know God; but in works they deny him, being abominable, and disobedient, and unto every good work reprobate.
The old statement about the "rapture" is appropriate. The bible does not use that word although it does use a "catching away". Likewise the phrase "ministerial ethics" may not be a literal phrase but the principle is there. But why should I expect anyone here to understand when they clearly cannot understand plain English with their insistent false allegations of "women haters" et al. All in spite of the multitudes of contrary evidences which has all been posted ad infinitum...