She is known for her work in support of Native American rights, in particular as coordinator of the Defenders of the Black Hills volunteer organization centered around efforts to encourage the United States government to honor the Fort Laramie Treaties of 1851 and 1868. She also works at the international level in support of recognition of human rights of indigenous peoples all over the world. She is the spokesperson for the Teton Sioux Nation Treaty Council. She was a participant in the prayer fast/hunger strike held in December 2004 in Geneva, Switzerland at the final meeting of the Intersessional Working Group on the Draft Declaration on the Rights of Indigenous Peoples (WGDD). She is also a writer and a grandmother.