'Until' in the Bible

For until certain persons came from James he had been accustomed to eat with Gentiles; but as soon as these persons came, he withdrew and separated himself for fear of the Circumcision party.

Why then was the Law given? It was imposed later on for the sake of defining sin, until the seed should come to whom God had made the promise; and its details were laid down by a mediator with the help of angels.

but he is under the control of guardians and trustees until the time his father has appointed.

you for whom I am again, as it were, undergoing the pains of childbirth, until Christ is fully formed within you.