Matthew Poole and continuators on 2 Corinthians 8:14

14 But by an equality : that now at this time your abundance may be a supply for their want , that their abundance may be also a supply for your want , that there may be equality .

But only to bring you and them to some equality, that they might not starve, while you have plenty, and what you may well enough spare.

I do not urge you to make your necessaries a supply for others wants. I would only have a supply for their wants out of your abundance.

That their abundance may also be a supply for your want: Some by their abundance understand their aboundings in the good things of this life: They are now in distress by reason of the great Famine that is in Iudea, or by reason of the great storm of persecution that is there raised against Christians; yet God may turn the Scales, he may send a Famine in those parts where you live, and there may be plenty in Iudea; then their abundance may supply your wants. Others interpret their abundance, of the aboundings of their Grace, which may quicken them up to pray for you, for the supply of such Grace to you as you stand in need of.

That so there may be an equality, they being Instruments of Spiritual Blessings to you, as you are Instruments of temporal Blessings and good things to them.