'Adoption' in the Bible

For you have not received a spirit of slavery [leading] to fear again, but you have received the Spirit of adoption, by whom we cry out, "Abba! Father!"

Not only [this], but we ourselves also, having the first fruits of the Spirit, even we ourselves groan within ourselves [while we] await eagerly [our] adoption, the redemption of our body.

who are Israelites, [to] whom [belong] the adoption, and the glory, and the covenants, and the giving of the law, and the [temple] service, and the promises,

in order that he might redeem those under the law, in order that we might receive the adoption.

having predestined us to adoption through Jesus Christ to himself according to the good pleasure of his will,