'Freedom' in the Bible

"When a person has sexual relations with a woman servant who is engaged to another man, but she has not been completely redeemed nor has her freedom been granted to her, there is to be an inquiry, but they won't be put to death, since she has not been freed.

"The Spirit of the LORD is upon me, because the LORD has anointed me; he has sent me to bring good news to the oppressed and to bind up the brokenhearted, to proclaim freedom for the captives, and release from darkness for the prisoners;