upstander

Noun

 * 1) A person who stands up for something, as contrasted to a bystander who remains inactive.
 * 2)  One of the upright handlebars on a traditional Inuit sled.
 * 1)  One of the upright handlebars on a traditional Inuit sled.
 * 1)  One of the upright handlebars on a traditional Inuit sled.