John Calvin Reformed @genevareformer

5. I speak to your shame The meaning is — “If other considerations do not influence you, let it at least be considered by you, how disgraceful it is to you that there is not so much as one among you who is qualified to settle an affair amicably among brethren — an honor which you assign to unbelievers Now this passage is not inconsistent...

Matthew Henry Presbyterian @wholebiblehenry

Here the apostle reproves them for going to law with one another before heathen judges for little matters; and therein blames all vexatious law-suits. In the previous chapter he had directed them to punish heinous sins among themselves by church-censures. Here he directs them to determine controversies with one another by church-counsel and advice, concerning which observe, I. The fault he blames them for: it was going to law.

Commenting on 1 Corinthians 6:1-8

John Gill Reformed Baptist @doctorgill

I speak to your shame,.... Not that they did set such persons to judge, but that they did not; and instead of so doing went to law with their brethren before the unjust: is it so that there is not a wise man among you?