The occupation of Wounded Knee, South Dakota, in 1973 was led by

Dolores Huerta.

Cesar Chavez.

Russell Means.

Martin Luther King Jr.

The correct option is: Russell Means.

Russell Means (Wanblee, South Dakota, November 10, 1939-Porcupine, South Dakota, October 22, 2012) was an Amerindian American actor, writer, politician, and activist. He was born in the Lakota tribe. He joined the American Indian Movement. Militar in the Libertarian Party, presenting itself as a candidate in 1988.

Russell Means is the answer