G4291–προΐστημι–proistēmi

or he who exhorts, to his exhorting: he who gives, let him do it with liberality; he who rules, with diligence; he who shows mercy, with cheerfulness.

προϊστάμενος proistamenos “leading”

But we beg you, brothers, to know those who labor among you, and are over you in the Lord, and admonish you,

προϊσταμένους proistamenous “taking the lead”

one who rules his own house well, having children in subjection with all reverence;

προϊστάμενον, proistamenon “managing,”

(but if a man doesn't know how to rule his own house, how will he take care of the assembly of God?)

προστῆναι prostēnai “to manage”

Let deacons be husbands of one wife, ruling their children and their own houses well.

προϊστάμενοι proistamenoi “managing”

Let the elders who rule well be counted worthy of double honor, especially those who labor in the word and in teaching.

προεστῶτες proestōtes “already ruling”

This saying is faithful, and concerning these things I desire that you affirm confidently, so that those who have believed God may be careful to maintain good works. These things are good and profitable to men;

προΐστασθαι proistasthai “to be devoted”

Let our people also learn to maintain good works for necessary uses, that they may not be unfruitful.

προΐστασθαι proistasthai “to devote themselves”