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How to Follow Up With a New Believer: The First 30 Days

October 14, 2026 · 6 min read

A practical 30-day follow-up plan for someone who has just put their faith in Christ: what to do in the first 48 hours, the first week and the first month.

Someone has just prayed with you and put their trust in Jesus. The next thirty days matter more than almost any other season in their walk with God. Jesus did not send the disciples to make converts; He sent them to make disciples (Matthew 28:19). Follow-up is where that begins.

Here is a plan you can run with one person or with everyone your team reaches. It assumes nothing about their background and costs nothing but your time.

The first 48 hours: make the next contact real

Most new believers are lost to churches not because they rejected the gospel but because nobody called. Before you part ways:

• Get a name and a way to reach them, and give them yours. A phone number is better than a social handle; a specific day you will call is better than "I'll be in touch."
• Put a Bible in their hands. If they have a phone, help them install a Bible app and open the Gospel of John. Reading the words of Jesus in the first week does more than any booklet.
• Write it down. Record the date, where you met, what they responded to and what they asked. A week later you will not remember, and the details are what make the next conversation personal.

Then do what you said. Call or message within two days. Ask how they are, not whether they have "kept the faith." Pray with them on the phone if they are willing. Short and warm beats long and heavy.

The first week: assurance and the Word

The two things a new believer needs first are assurance that they really belong to Christ, and a daily habit of hearing from God. Both come from Scripture, not from your persuasion.

• Assurance: read 1 John 5:11–13 together. "These things have I written unto you that believe on the name of the Son of God; that ye may know that ye have eternal life."
• A simple reading plan: one chapter of John a day. Ask them to notice one thing Jesus says or does each day and to text you about it. That text is your follow-up for the day.
• Prayer: explain that prayer is just talking to the Father who now hears them (Romans 8:15). Model a thirty-second prayer. Long prayers intimidate; short honest ones teach.

The first month: belonging

By week two, the goal shifts from you to the church. A new believer who has one friend in a congregation stays; one who only has you leaves when your schedule changes.

1. Bring them, don't send them. Offer to meet outside the building and walk in together the first time. Sit with them. Introduce them to two people by name.
2. Connect them to a group, not just a service: a small group, a class for new believers, a prayer meeting. Say who leads it and when it meets.
3. Talk about baptism. In the New Testament, baptism follows belief quickly (Acts 2:41; Acts 8:36–38). Explain what it means and ask if they would like to be baptized; don't wait for them to bring it up.
4. Hand off well. If a pastor or group leader will carry the relationship from here, introduce them personally and tell the new believer what to expect. Keep checking in yourself for the rest of the month.

What to track

Follow-up fails on memory, not on intention. For each person, keep a note of: the date you met, each contact since, what they are reading, whether they have a church and a group, and whether baptism has been discussed. Review it once a week and ask: who has gone quiet?

That is the whole reason Evangelism Bible exists. Each contact moves through five stages — new contact, confessed Christ, follow-up, attending, established — with milestones for being born again, water baptism, Spirit baptism and starting to share their own faith. Reminders prompt you when someone has not been contacted in a while, so nobody is forgotten because a week got busy.

A final word

You will not do this perfectly. Paul's letters are full of follow-up that was late, interrupted or done by someone else (1 Thessalonians 2:17–3:2). What mattered was that he kept coming back. Do the same.