upstander noun2 •A person who stands up for something, as contrasted to a bystander who remains inactive.Professor Reeves has been a full-time upstander on Sudan since 1999, back when the people being slaughtered there were Christians in the south of the country. — 2006 •(no longer used) One of the upright handlebars on a traditional Inuit sled.With quick presence of mind, Ootah grasped the rear upstander of the sled, which had begun to slide to and fro, and planted his harpoon in the ice. — 1913 formsupstanders