Who are Christian missionaries and what do they do?

from the old testament

• The Old Testament does not talk about Christian missionaries as Christ came during New Testament times. However, the Old Testament presents the principles of God sending people to preach the truth. An example is the nation of Israel whom God called them to be a “light to the nations” (Isaiah 42:6, 49:6).
• God sent Jonah to call Nineveh to repentance..
• The Lord gave Ezekiel the role of “watchman” to warn the Israelites of the coming pain they would experience if they didn’t turn from their ways (Ezekiel 33).

from the new testament

• Christian missionaries dedicate their lives to fulfilling the Great Commission: to preach the Gospel, baptizing and making disciples (Matthew 28:19-20). Often, the missionary will spread the Gospel while performing a practical service, such as working at an orphanage or providing medical care.
• Jesus warned His disciples of the cost of making Him known. He said, "Behold, I am sending you out as sheep in the midst of wolves, so be wise as serpents and innocent as doves. Beware of men, for they will deliver you over to courts and flog you in their synagogues, and you will be dragged before governors and kings for my sake, to bear witness before them and the Gentiles" (Matthew 10:16-18).
• Paul testified to the truth of the hardships of following Jesus and making Him known in when he quoted Psalm 44:22: "For your sake we are being killed all the day long; we are regarded as sheep to be slaughtered" (Romans 8;36).
• Missionaries must be very certain that Jesus means more to them than worldly things, and bringing others to Jesus is more important than comfort. In Matthew 10:28, Jesus says, "And do not fear those who kill the body but cannot kill the soul. Rather fear him who can destroy both soul and body in hell."

implications for today

Traditionally, missionaries reach out to those beyond their native culture, whether that be a different country or a different demographic within the same country. Some help children and families living in poverty across the globe, some go on short trips to run summer Bible camps or build houses, and some sit at a computer and write articles that people all over the world can read online.

History gives us several examples of missionaries. All of the apostles travelled and spread the Gospel, including Paul, Peter, and John. Corrie Ten Boom and her sister Betsie were missionaries to fellow prisoners of Ravensbrook concentration camps. Eric Liddell, the Olympian immortalized in Chariots of Fire, was the son of missionaries to China and later returned there as a missionary. Jim Elliot, Nate Saint, and others were killed on the missions field in Ecuador by a tribe of Quechua Indians who later came to Christ.

There are as many different types of jobs in missions as there are in normal life. Some are translators, some pilots, and others help trafficking victims recover.

Whatever their support function, the primary job of a missionary is to draw people closer to Jesus. Missionaries may start by becoming familiar with the people and the culture. They then need to word the Gospel message so that the locals can understand their need for the saving work of Jesus' sacrifice. Once locals become believers, they must be discipled, trained, and even educated to become pastors in their community. In some cultures, this can happen in a few years, but in many, it takes several generations to see any change.

Missionaries can go anywhere. Some, like Amy Carmichael, move to a new country and never look back. Others, like countless students, go for just a week. When we typically think of missionaries, we tend to imagine individuals or families going to Africa or heading to China or going to an unreached people group in a remote locale. But missionaries also move from the suburbs to the inner city. Or even work in ministries in their own hometown. With the development of the internet, it's possible to reach millions with the Gospel without leaving your house.

The life of a professional missionary is a difficult one. First come years of training that cover theology, the local culture, and whatever secondary job they'll be responsible for. In the field, they must apply all they learned while taking care of their families in what can be a hostile environment. Sometimes missionary-kids are sent away from their parents to boarding schools. When the family finally returns home on furlough, they have no house, no car, and still need to travel around the country, talking to churches and praying God will lead believers to provide financial support. Missionaries face danger, as well, since most places in the world are not welcoming to Christianity.

It takes a particular type of person to spend a lifetime reaching those who desperately need Jesus but don't want to learn about Him. Missionaries are passionate people who are able to take this verse and apply it to others; they strive to not fear those who can kill their own body when the souls of others are at risk.