But before faith came, we were kept in ward under the law, shut up unto the faith which should afterwards be revealed.

Before this faith came, we were held in custody under the law, locked up until faith should be revealed.

And before the coming of the faith, under law we were being kept, shut up to the faith about to be revealed,

But before faith came, we were guarded under law, shut up to faith [which was] about to be revealed.