'Free' in the Bible

So he showed them the entrance to the city, and they struck the city with the edge of the sword, but they let the man and all his family go free.

(For my father made war for you, and put his life in danger, and made you free from the hands of Midian;

Then she cried, “Samson, the Philistines are here!” When he awoke from his sleep, he said, “I will escape as I did before and shake myself free.” But he did not know that the Lord had left him.