Filling Up What Is Lacking: Joyful Suffering in the Service of Christ

Week 7 Recap — Colossians 1:24–26 | Immerse Bible Study

There are verses in Scripture that stop a room. Colossians 1:24 is one of them.

“Now I rejoice in my sufferings for your sake, and in my flesh I am filling up what is lacking in Christ’s afflictions for the sake of his body, that is, the church…”

As one person in the room put it, the statement is jolting. How can anything be “lacking” in the sufferings of the One who cried “It is finished”? The rest of the evening was spent answering that question carefully, and then asking what it means for ordinary believers who are called to represent Christ in a world that is, as Josh reminded us, “at odds with the work of God and His Church.”

That tension—between a finished cross and an unfinished mission—became the framework for our study.

A Team, Not a Solo Effort

We began with a simple icebreaker: What team sport best pictures the Christian life? The conversation quickly moved past favorite teams to the reality of roles, interdependence, and the cost of forgetting the larger goal. The point was not athletic trivia. It was to prepare us for Paul’s view of his own life: he does not see his sufferings or his ministry as a private experience. He sees them as part of something bigger—the body of Christ and the mission of making the word of God fully known.

What the Text Actually Says

Before interpreting, we observed. Using the five W’s, the group noted:

• Who: Paul, the Colossian believers, Christ, the church as his body, and God who gave the stewardship.

• What: Paul rejoices in sufferings that serve others; he is filling up a “lack” for the sake of the church; he is a minister under divine stewardship whose aim is to make the word of God fully known; a long-hidden mystery has now been revealed to the saints.

• When: During Paul’s imprisonment, after the completed work of the cross, in the era of gospel expansion.

• Where: In Paul’s flesh, for the church, among the saints.

• Why: For the sake of the Colossians and the church, according to the stewardship given by God, so that the mystery might be revealed.

The overall flow is clear: Paul binds his personal suffering to a God-given ministry. The sufferings are not wasted. They serve the body and advance the revelation of Christ.

What “Lacking” Does Not Mean

The preceding context in Colossians 1 is decisive. Christ is the image of the invisible God, the Creator and Sustainer of all things, the head of the body, the One in whom all the fullness of God dwells. Through the blood of his cross he has reconciled all things (1:19–22). Nothing in that portrait suggests any deficiency in the atoning work. Jesus’ own declaration (“It is finished”) and the teaching of Hebrews 10:10–14 stand. The Greek word Paul uses for “afflictions” (thlipsis) is never used in the New Testament for the atoning sufferings of Christ; it speaks of tribulation and pressure.

Paul is not saying the cross was incomplete or that our sufferings add any atoning value to it.

What “Lacking” Does Mean

The best reading, both in the immediate context and in light of the rest of the New Testament, is that the finished work of Christ must still be made fully known. There remains a gap between the completed redemption and its personal, embodied presentation to the world through the lives and sufferings of Christ’s people.

Paul fills that gap in his own flesh. He becomes a physical representation of Christ’s afflictions. He makes them palpable. Observers who see believers live through gospel-connected suffering—with joy—feel the weight of it. The same idea of “filling up” appears in the very next verse: Paul’s stewardship is “to make the word of God fully known.” Suffering is the costly means by which that stewardship is carried out.

The Epaphroditus Parallel

Philippians 2:25–30 supplies a helpful comparison. There Paul says Epaphroditus nearly died “to complete what was lacking in your service to me.” The Philippians wanted to support Paul, but distance left a gap—they could not be personally present. Epaphroditus filled that gap by carrying their gift, representing them, and risking his life. Their original desire and gift were not deficient; the lack was the inevitable result of absence.

In the same way, Christ’s redemptive work is complete in value and purpose. What remains “lacking” is its personal, embodied extension through the costly service of his people. Both passages use the language of completing a hysterēma (lack) through the embodied participation of a servant. The original work or gift is not incomplete; the completion comes through a willing, costly representative.

Suffering with Purpose and Joy

The text teaches several things about Christian suffering:

• It can be endured for the sake of others and for the sake of the church.

• It is purposeful when connected to the stewardship of making the word of God fully known.

• It participates, in a real sense, in the ongoing afflictions of Christ as members of his body (cf. Acts 9:4–5).

• It is compatible with—and even a source of—joy. Paul does not rejoice in the pain itself, but in the fact that his sufferings serve the church and the advance of the word.

Joy is possible because the suffering has eternal purpose. We are soldiers who already know how the war ends. Present afflictions are the cost of advancing a battle whose outcome is already secure in Christ (Colossians 2:15).

Three Applications from the Text

As we closed, three practical implications emerged:

1. We cannot suffer for the gospel if we are not sharing the gospel.
Paul’s sufferings are inseparable from his stewardship to make the word of God fully known. Sitting on the bench—enjoying the benefits of the gospel while remaining silent—means we are not participating in the kind of purposeful suffering the text describes. Job number one is to be an ambassador of Christ, beginning with our families and extending to neighbors, coworkers, and community.

2. The Christian life is the victorious life—even when the world does not recognize it.
When we do live this text, some measure of opposition is coming (John 15:18–20; 16:33). Yet we can count it as joy because the suffering is intentionally expanding the kingdom. Every time the gospel is proclaimed at personal cost, the mystery is being made known and the body is being served.

3. Our suffering must be representative of Christ.
We will not fill up what is lacking in a real way if our character is out of alignment with the Christ we proclaim. Suffering that comes because of our own sin, harshness, hypocrisy, or foolishness is not the suffering of this text (1 Peter 4:15–16). The world must be able to see that we are opposed because of the gospel, not because of our behavior. Only then do our afflictions serve as a living presentation of Christ’s love and truth.

Final Charge

Let the word of Christ dwell in you richly (Colossians 3:16) so that you may faithfully represent him, joyfully embrace the cost of making him known, and participate in the ongoing work of his body until he returns.

The world is still at odds with the work of God and his church. That is not a reason for silence or self-protection. It is the very setting in which ordinary believers, filled with the word and marked by joy, make the finished afflictions of Christ palpable to those around them.

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