A roadie is a person who assists with the setup and breakdown of equipment for a rock tour. They are responsible for setting up and tearing down stages, sound systems, and other equipment needed for a successful tour. Roadies also help transport equipment from venue to venue, and may be asked to help with other tasks such as loading and unloading gear, setting up lights, and helping with sound checks. Roadies are an essential part of any rock tour, and without them, the tour would not be able to run smoothly.