'Subject' in the Bible

Thou hast put everything in subjection under his feet." For this subjecting of the universe to man implies the leaving nothing not subject to him. But we do not as yet see the universe subject to him.

and might set at liberty all those who through fear of death had been subject to lifelong slavery.

Now if the crowning blessing was attainable by means of the Levitical priesthood--for as resting on this foundation the people received the Law, to which they are still subject-- what further need was there for a Priest of a different kind to be raised up belonging to the order of Melchizedek instead of being said to belong to the order of Aaron?