'Captives' in the Bible

Now it came to pass in the thirtieth year, in the fourth month , in the fifth day of the month, as I was among the captives by the river Chebar, that the heavens were opened, and I saw visions of God.

And I will turn again their captivity, the captivity of Sodom and her daughters, and the captivity of Samaria and her daughters, and the captivity of thy captives in the midst of them;