Galatians 4:5

So we also, when we were children, were held in bondage under the elemental principles of the world.

But when the fullness of the time came, God sent out his Son, born to a woman, born under the law,

And because you are children, God sent out the Spirit of his Son into our hearts, crying, "Abba, Fat...

So you are no longer a bondservant, but a son; and if a son, then an heir of God.