'Free' in the Bible

And these are the singers, chief of the fathers of the Levites, who remaining in the chambers were free: for they were employed in that work day and night.

And what other nation in the earth, like your people Israel, did a god go out to take for himself, to be his people, making his name great and to be feared, driving out the nations from before your people whom you made free and took out of Egypt?

Now, look, I have made every effort to supply what is needed to build the Lord's temple. I have stored up 100,000 talents of gold, 1,000,000 talents of silver, and so much bronze and iron it cannot be weighed, as well as wood and stones. Feel free to add more!