New Living Translation
They have to obey their guardians until they reach whatever age their father set.

American Standard Version
but is under guardians and stewards until the day appointed of the father.

Berean Study Bible
He is subject to guardians and trustees until the date set by his father.

Douay-Rheims Bible
But is under tutors and governors until the time appointed by the father:

English Revised Version
but is under guardians and stewards until the term appointed of the father.

King James Bible
But is under tutors and governors until the time appointed of the father.

World English Bible
but is under guardians and stewards until the day appointed by the father.

Young's Literal Translation
but is under tutors and stewards till the time appointed of the father,

Galatians 4:2 Additional Translations ...