Pioneers meaning : One who goes before, as into the wilderness, preparing the way for others to follow. A person or other entity who is first or among the earliest in any field of inquiry, enterprise, or progress. A soldier detailed or employed to form roads, dig trenches, and make bridges, as an army advances; a sapper. A member of any of several European organizations advocating abstinence from alcohol. A child of 10–16 years in the former Soviet Union, in the second of the three stages in becoming a member of the Communist Party. To be the first to do or achieve (something), preparing the way for others to follow.