Mark 9:38: Who can serve Christ?
How does Mark 9:38 challenge our understanding of who can serve Christ?

Setting the scene

“John said to Him, ‘Teacher, we saw someone driving out demons in Your name, and we tried to stop him, because he was not one of us.’ ” (Mark 9:38)


The disciples’ reflex

• The Twelve assumed spiritual authority was limited to their circle.

• They reacted protectively, thinking they were guarding Jesus’ reputation.

• Their words reveal an “insider/outsider” mindset: “He was not one of us.”


Jesus’ implied correction (vv. 39-40)

Though verse 38 records the disciples’ protest, vv. 39-40 show Jesus’ response: “Do not stop him… For whoever is not against us is for us.”

• Christ accepts ministry that is genuinely done “in My name” even when it comes from unexpected people.

• Power over demons authenticates the man’s allegiance, proving God was using him despite the disciples’ unfamiliarity with him.


Key truths we learn

• Service to Christ is determined by allegiance to His name, not by affiliation with a particular group.

• God’s sovereignty extends beyond our organizational boundaries (cf. Numbers 11:26-29; Philippians 1:15-18).

• Authentic fruit—demons expelled, lives changed—validates a servant of Christ (Matthew 7:17-20).

• Jealousy and territorialism can blind believers to God’s wider work (James 3:14-16).


Practical takeaways for today

• Celebrate every gospel-centered work, even if it operates outside our denomination or method.

• Evaluate ministries by faithfulness to Scripture and evidence of God’s power, not by personal familiarity.

• Guard against pride that says, “Our way is the only way.”

• Partner where possible with all who exalt Jesus as Lord and proclaim the true gospel (Galatians 2:9; 3 John 8).

• Remain discerning—allegiance to Christ’s name includes adherence to His Word (2 John 9).


Supporting Scriptures

Numbers 11:26-29—Moses welcomes Eldad and Medad prophesying apart from the camp.

Luke 10:17-20—Unnamed seventy-two cast out demons in Jesus’ name.

Acts 8:14-17—Samaritans receive the Holy Spirit; the Jerusalem apostles affirm, not oppose.

Romans 15:20-24—Paul rejoices in gospel advancement where Christ is not yet named.


Concluding reflection

Mark 9:38 reminds us that Jesus’ kingdom is broader than our circles. When someone truly ministers “in His name,” bearing scriptural fruit, we are called not to hinder but to rejoice, for the Lord is advancing His work through many hands.

What is the meaning of Mark 9:38?
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