Although the missionary is traditionally seen as being on the field, there are many roles which a modern missionary may take, (it could even be a desk job). So what does a missionary actually do?

How can you know for certain if you have been called by God?

It can be hard to decide on a missions training program, as you want to choose the one which will prepare you best for the mission field. However, without diving into a commitment, how do you know which program will properly develop you into the missionary who can fulfill all that God is calling you to do?