🌍 World Missions — Unit 5: Paul the Missionary

Introduction: The Apostle to the Nations

After the Lord Jesus Himself, no one in history has shaped the work of world missions like the apostle Paul. He was the first great cross-cultural missionary, the model church-planter, and the theologian who explained to the church why the gospel must go to all nations. In roughly fifteen years of labor he carried the gospel across Asia Minor and into Europe, planted churches in city after city, and wrote letters that still instruct and convict the people of God today. To study missions is, in large part, to study Paul. In this unit we trace his call, his sending, his journeys, his strategy, his suffering, and his message.

I. The Persecutor Turned Missionary

Paul did not begin as a friend of the gospel. He began as its fiercest enemy, a one-man inquisition breathing threats and murder against the disciples. But on the road to Damascus the risen Christ stopped him with a flash of noonday light, and the persecutor became the preacher. From the very first moment, his commission was a missionary commission. The Lord said of him, "He is a chosen vessel of Mine to bear My name before Gentiles, kings, and the children of Israel" (Acts 9:15, NKJV).

Two lessons stand out from that conversion. First, nobody is too far gone. The same Christ who made a Paul out of a Saul still walks the roads of this world looking for hardened sinners; no one is beyond His reach. Second, conversion costs the convert. The Lord did not promise Saul comfort; He promised him suffering: "For I will show him how many things he must suffer for My name's sake" (Acts 9:16, NKJV). The gospel is the costliest free gift in the universe, and a faithful missionary tells men the price on the front end.

II. Sent by the Church

Paul did not send himself. As we saw in the last unit, it was the church at Antioch that laid hands on Barnabas and Saul and sent them out under the leading of the Holy Spirit. And here a third lesson from his early days deserves our attention: the church needs its Barnabases. When the disciples in Jerusalem were still afraid of the former persecutor, it was Barnabas who took him in and vouched for him. There are more Barnabas-shaped roles in any congregation than there will ever be Paul-shaped pulpits, and the future of the gospel often runs through the people willing to stand behind a new believer who has no reputation yet.

Paul never worked alone. He labored with Barnabas, then with Silas, with young Timothy, with Luke the physician, and with Priscilla and Aquila. Missions, in Paul's hands, was always the work of a team sent by a church.

III. The Three Journeys

Paul's life as a missionary is usually traced through three great journeys. On the first, he and Barnabas sailed to Cyprus and then crossed into the highlands of Galatia, preaching in Pisidian Antioch, Iconium, Lystra, and Derbe, and planting churches in the face of fierce opposition. On the second journey, God closed the door into Asia and gave Paul a vision of a man of Macedonia pleading, "Come over and help us." With that vision the gospel crossed into Europe — to Philippi, Thessalonica, Berea, Athens, and eighteen fruitful months in Corinth. On the third journey Paul settled for nearly three years in Ephesus, until the word of the Lord had sounded throughout the whole province of Asia. The arc of his life ran ever westward, ever toward new ground.

IV. Paul's Missionary Strategy

Paul's labors were not random; he worked by a clear strategy that missionaries still learn from. He went to the great cities — Antioch, Ephesus, Corinth, Philippi — strategic centers from which the gospel could radiate into the surrounding region. He began in the synagogue, taking the gospel to the Jew first, and when he was rejected he turned to the Gentiles. He planted churches, appointed elders to lead them, and moved on, returning later or writing letters to strengthen them. Above all, he aimed at unreached ground: "And so I have made it my aim to preach the gospel, not where Christ was named, lest I should build on another man's foundation" (Romans 15:20, NKJV). The regions beyond were always before him.

V. The Cost of the Mission

The missionary life of Paul was watered with tears. He could remind the Ephesian elders that for three years he did not cease to warn everyone night and day with tears (Acts 20:31). And it was a life marked by suffering. He was imprisoned often, beaten beyond measure, given the thirty-nine lashes five times, shipwrecked, and exposed to danger on every side, carrying daily the weight of his care for all the churches (2 Corinthians 11:23–28). Yet he never counted the cost too high. "I have become all things to all men, that I might by all means save some" (1 Corinthians 9:22, NKJV). The true missionary spends himself for the souls of others.

VI. The Theologian of the Mission

Paul did not only labor in the mission; he explained it. In his letter to the Romans he laid bare the lostness of every man and the gospel that is for every nation, and he pressed the church with the unanswerable logic of sending: "How shall they hear without a preacher? And how shall they preach unless they are sent?" (Romans 10:14–15, NKJV). In his letter to the Galatians he defended the gospel of grace for the Gentiles against all who would burden them with the law, insisting that in Christ there is neither Jew nor Greek. His letters are the missionary's deepest schooling, and the church has never outgrown them.

Conclusion: A Life Poured Out

Paul shows us what a life poured out for the nations looks like: called by grace, sent by a praying church, strategic in his labor, joyful in his suffering, and clear in his gospel. At the end he could write, "I have fought the good fight, I have finished the race, I have kept the faith" (2 Timothy 4:7, NKJV). The same Lord who made a missionary out of the persecutor of Tarsus is still calling and still sending. The only question is whether He will find in us the willing heart He found in Paul.

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