Dolores Huerta
"Dolores Clara Fernández Huerta (born April 10, 1930) is an American labor leader and civil rights activist who, with Cesar Chavez, is a co-founder of the National Farmworkers Association, which later became the United Farm Workers (UFW)" (cited from Dolores Huerta - National Women's History Museum).
https://www.biography.com/news/dolores-huerta-documentary-interview