Understanding What it Means To Be Adopted By God

When we hear the word “adoption,” we tend to think of a warm, modern family setting. The dictionary defines it simply as the legal process of taking someone else’s child and bringing them into your family as your own. This is exactly how you should view your adoption into God’s forever family. We are His sons and daughters.

Paul expands on the massive legal and relational shift this creates in Romans 8:15: “For you did not receive the spirit of slavery to fall back into fear, but you have received the Spirit of adoption as sons, by whom we cry, ‘Abba! Father!'”

The word Abba is an Aramaic term that functions much like our modern word “Daddy.” It is a term of deep intimacy, warmth, and childlike trust, used within the safety of a close family relationship. By pairing the legal weight of Roman adoption with the intimate cry of Abba, Scripture shows that our relationship with God should be deeply personal. God is always willing and wanting to be more intimate with you, if you let Him (James 4:8).

But there is a little more to this idea of adoption. Paul wrote in Ephesians 1:5 that God “predestined us for adoption to himself as sons through Jesus Christ.” The Greek word he used, translated “adoption,” is huiothesia. To understand why he chose this word, we can look at the laws of Rome at the time. Under Roman law, a father could disown a biological son, but a son chosen through adoption could never be disowned. The adoption was completely irrevocable because the father fully knew the cost and the child he was choosing. Another way we understand this adoption is our new covenantal relationship with God (Hebrews 9:15).

Just like in the ancient world, an adopted child has all their past debts wiped off the books and they are given an entirely new identity. We see this in Galatians 4:4–5, which says God sent His Son “to redeem those who were under the law, so that we might receive adoption as sons.” Adoption means redemption—your debt was paid in full, the covenant was sealed, and you have been given a permanent familial identity and full, intimate access to the Father.

Why This Matters

Ultimately, God created us so that He could share His love with us for all eternity. He wants a genuine, personal relationship with us as family members—one that is completely free from performance-driven, rules-based religion.

When humanity turned its back on Him through sin, breaking that fellowship, God did not abandon us. Instead, He built a permanent bridge back to Himself through the death, burial, and resurrection of Jesus Christ. The new covenant was bound in the precious blood that Jesus shed for us. Through this sacrifice, the way was cleared for us to be freed from our sin debt, made righteous so there no longer needs to be a veil to keep us safe from a Holy God, and relationally adopted into His family forever.

Things to Know About Our Family

Joining this family brings a completely new identity, shaped by specific family traits, responsibilities, and a clear purpose for our time here on earth.

Distinctive Characteristics

God’s family takes its cues directly from the character of Jesus because He perfectly reflected the Father. Because He is holy, joining this family means leaving old patterns behind and daily changing how we live to reflect His purity, as 1 Peter 1:15–16 commands us to be holy in all we do because He is holy.

Love is the ultimate identifying mark of this household. This isn’t just a feeling, but an intentional, sacrificial commitment to the well-being of others, directly mirroring the love the Father showed us. In John 13:35, Jesus explains that everyone will know we are His disciples by the love we have for one another.

Ultimately, growing in these traits is about becoming more like Christ, who is the perfect visible image of the Father. Our daily transformation is designed to conform us to His likeness in how we think, speak, and act. Romans 8:29 points directly to this family destiny, noting that those God foreknew He also predestined to be conformed to the image of His Son, so that Jesus would be the firstborn among many brothers and sisters.

Joining the Family Business

While we are on this side of eternity, our family has two specific and important jobs.

First, we serve as ambassadors of reconciliation. We act as official representatives of a heavenly kingdom, carrying the Father’s message, authority, and character into a broken world. This role is entirely focused on helping restore the relationship between humanity and God. As 2 Corinthians 5:20 explains, we are ambassadors for Christ, as though God were making His appeal through us, imploring others to be reconciled to God.

Second, we are tasked with building up the church. Our family responsibilities look both inward and outward through active outreach, making and equipping new disciples, and supporting our fellow believers so that the church grows strong. This matches the mandate in Matthew 28:19–20 to go and make disciples of all nations, baptizing and teaching them, alongside the instructions in Ephesians 4:11–12, which states that ministry gifts are given to equip the saints for the work of service, for building up the body of Christ.

So the next time you hear the word “adoption” and picture a warm family photo, remember that the photo is yours. You are not a guest in God’s house, anxiously working to earn your keep—you are a son or daughter whose place at the table can never be taken away. Your debt is paid, your identity is settled, and your Father is never further than a whisper.

Now you get to live like it. Seek holiness and let the Holy Spirit continually reshape you to be more like Christ by repenting. Let His love mark the way you treat people, and step into the family work He has already prepared for you (Ephesians 2:10). You were chosen on purpose, at a cost the Father gladly paid—so draw near, call Him Abba, and carry His name well (James 4:8).

Scripture used or considered in the writing of “Understanding What It Means To Be Adopted By God” By RD Montgomery. All Scripture quoted is in ESV format unless otherwise specified.