NET

15 in case I am delayed, to let you know how people ought to conduct themselves in the household of God, because it is the church of the living God, the support and bulwark of the truth.

Darby

15 but if I delay, in order that thou mayest know how one ought to conduct oneself in God's house, which is [the] assembly of [the] living God, [the] pillar and base of the truth.

KJV

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^K7113of the truth.

KJV Bible Notes

ground: Or, stay.

Strong's

15 But ^G1161 if^G1437 I tarry long^G1019, that^G2443 thou mayest know^G1492 how^G4459 thou oughtest^G1163 to behave thyself^G390 in^G1722 the house^G3624 of God^G2316, which^G3748 is^G2076 the church^G1577 of the living^G2198 God^G2316, the pillar^G4769 and^G2532 ground^G1477 of the truth^G225.