en_tn/gal/03/23.md

we were imprisoned and confined by the law

"the law controlled us like a prison guard" (See: rc://en/ta/man/translate/figs-metaphor)

until the revelation of faith

"until God revealed that he justifies those who trust in Christ" or "until God revealed that he justifies those who have faith in Christ."

to bring us to the time of Christ

"until Christ came"

that we might be justified

"that we would be declared to be righteous." God had planned to justify us before "the time of Christ"; when that time came, he carried out his plan to justify us.

childminder

This is sometimes translated as "tutor" but it means more than a teacher. The childminder was usually a slave who was responsible for training an heir how to live a moral, productive life.