1 Timothy 3:5

³ Not given to wine, no striker, not greedy of filthy lucre; but patient, not a brawler, not covetous;

⁴ One that ruleth well his own house, having his children in subjection with all gravity;

(For if a man know not how to rule his own house, how shall he take care of the church of God?)

⁶ Not a novice, lest being lifted up with pride he fall into the condemnation of the devil.

⁷ Moreover he must have a good report of them which are without; lest he fall into reproach and the snare of the devil.

Do read the surrounding verses too, because the context often says more than a single verse.

Compare

BSB: For if someone does not know how to manage his own household, how can he care for the church of God?
KJV: (For if a man know not how to rule his own house, how shall he take care of the church of God?)
WEB: (for how could someone who doesn’t know how to rule his own house take care of God’s assembly?)
ASV: (but if a man knoweth not how to rule his own house, how shall he take care of the church of God?)
DARBY: (but if one does not know how to conduct his own house, how shall he take care of the assembly of God?)
BLB: but if anyone does not know [how] to preside over [his] own household, how will he take care of the church of God?—

ÅB: - men hvis noen ikke vet å styre sitt eget hus, hvordan kan han da ha omsorg for Guds menighet? -
OTB: (for om noen ikke vet hvordan han skal lede sitt eget hus, hvordan kan han da ta seg av Guds menighet?);
B1930: - men hvis nogen ikke vet å styre sitt eget hus, hvorledes kan han da ha omsorg for Guds menighet? -

1 Samuel 3:13
For I have told him that I will judge his house for ever for the iniquity which he knoweth; because his sons made themselves vile, and he restrained them not.
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Ephesians 5:24
Therefore as the church is subject unto Christ, so let the wives be to their own husbands in every thing.
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Acts 20:28
Take heed therefore unto yourselves, and to all the flock, over the which the Holy Ghost hath made you overseers, to feed the church of God, which he hath purchased with his own blood.
Read in context
Ephesians 5:32
This is a great mystery: but I speak concerning Christ and the church.
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Ephesians 1:22
And hath put all things under his feet, and gave him to be the head over all things to the church,
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1 Timothy 3:15
But if I tarry long, that thou mayest know how thou oughtest to behave thyself in the house of God, which is the church of the living God, the pillar and ground of the truth.
Read in context