If you lead a small group, there is a good chance that at least one person in your group has a close friend or family member who is agnostic. There is also a good chance that at least one person in your group has their own quiet doubts that they have never felt safe voicing.

A discussion on agnosticism is not just about preparing people to engage outsiders. It is about creating a space where honest questions are welcome — and where people discover that faith and doubt can coexist in the same room.

Here is how to lead that discussion well.

The way you open the conversation will determine whether people feel safe being honest. Before you dive into content, say something like: "I want this to be a space where we can ask real questions. If you have ever had doubts about God's existence — or if someone you love is agnostic — this conversation is for you. We are not going to pretend the questions are easy."

That kind of opening gives permission. It tells people that doubt is not a disqualifier and that you are not going to shame anyone for asking hard questions.

Start by making sure everyone understands what agnosticism actually is. Many people in your group will have a vague sense of the word but will not know the distinction between strong and weak agnosticism, or how it differs from atheism.

Spend a few minutes on this. You might say: "Agnosticism is about knowledge, not belief. An agnostic is saying 'I don't know whether God exists' — not necessarily 'I don't believe.' That's different from atheism, which is a claim about belief. And it's different from just being spiritually indifferent."

Getting the definition right matters because it shapes how your group thinks about the people in their lives who hold this position.

After covering the basics, open it up to the group. Some good questions to get the conversation going:

• "Do you have someone in your life who is agnostic? What is that relationship like?"
• "Have you ever had doubts about God's existence yourself? What did that feel like?"
• "What do you think is the most honest thing a Christian can say to someone who is genuinely uncertain about God?"

These questions move the conversation from abstract to personal. They also surface the real pastoral needs in the room — the person who is quietly struggling, the person who does not know how to talk to their skeptical sibling, the person who has never felt safe admitting their own uncertainty.

If someone in your group shares their own doubts, resist the urge to fix it immediately. Do not jump to arguments or reassurances. First, just acknowledge it: "Thank you for being honest about that. That takes courage."

Then, gently explore it. "What is it that makes you uncertain?" or "Is there something specific that has made it hard to believe?" You may not resolve it in one conversation — and that is okay. What matters is that the person feels heard and that they know their doubt does not disqualify them from the group.

Faith communities that can hold doubt without panic are far more effective at helping people work through it than communities that treat doubt as a threat.

The practical goal of the discussion is to help your group members engage the agnostics in their lives. Spend some time on this directly.

Ask: "If a friend told you they were agnostic, what would you say?" Let people try out answers and give gentle feedback. Help them see the difference between arguing and listening. Help them understand that the goal of the conversation is not to win — it is to open a door.

You might also walk through a few of the most common things agnostics say and how to respond:

• "I just don't think anyone can know." (The claim that God is unknowable is itself a knowledge claim — worth exploring together.)
• "I think it's more honest to say I don't know." (Honesty is a virtue, but certainty about God is possible and reasonable — and here is why.)
• "I believe in science, not religion." (Science and faith are not opposites — many of the greatest scientists in history were Christians, and the evidence from science points toward a Creator.)

Keep the tone warm and practical. You are not training debaters — you are equipping friends.

End the discussion by praying specifically for the agnostic people your group members named. This does two things: it reminds the group that the goal is people, not arguments, and it invites God into the conversations that are already happening.

You might also invite anyone who has their own doubts to talk with you privately after the group. Some people will not speak up in a group setting but will be grateful for the one-on-one conversation.

This kind of discussion does not need to happen every week. But it should happen regularly — maybe once a quarter, as part of a broader series on engaging the world around you. The more your group practices these conversations in a safe setting, the more naturally they will happen in real life.

The Companion (free) is a great resource to share with your group as a foundation for understanding Christian belief and how to explain it. The Christian Field Guide is designed specifically for small groups engaging world religions and secular worldviews — including agnosticism — with practical discussion guides, real conversation tools, and a framework for sharing the gospel with people who are genuinely uncertain about God.