Tillie Fay Walker (July 11, 1928 – February 3, 2018), also known as Hishua Adesh (Blossoming Mint), was an American civil rights activist and community leader.

[3][4] Her brother Hans C. Walker Jr. became a lawyer, and was named head of the federal Indian Water Rights Office in 1971.

She succeeded Vine Deloria Jr. as director of the United Scholarship Service, funding secondary education for Native American youth, from the program's office in Denver.

[8][9] She met with Martin Luther King Jr.,[10] and joined the Poor People's Campaign to recruit Native Americans to the civil rights movement.

[1] She was a friend and mentor to Clyde Warrior, Mel Thom, Hank Adams, and other early members of the National Indian Youth Council.