Throughout the series, there have been people who either traveled with one or all of the Straw Hat Pirates for a short period of time or aided them in one way or another. Many of these individuals would be considered temporary pirates in a way. Along with those individuals, there have also been various groups that have assisted the Straw Hats in their adventures. These groups have helped the Straw Hats either to reach a certain goal or to defeat a common enemy.