There are several opportunities available to get involved with the Harvest Crusades: As an Usher Ushers help tremendously at the crusades by assisting with seating, collecting offering, and praying for the section that they're seating. For the Usher Training Class Schedule, click here. As a Christian Worker Christian Workers have the privelege of praying with, and speaking some encouraging words to the ones who come forward at the crusades. Here is the schedule for Christian Worker Training.