Who was not a leader and advocate for the civil rights movement?

James Meredith

Medgar Evers

Lester Maddox

Thurgood Marshall

Lester Maddox

Explanation:

Lester Garfield Maddox Sr. (September 30, 1915 - June 25, 2003) was an American politician who served as the 75th Governor of the U. S. state of Georgia from 1967 to 1971. Being a populist Democrat, he gained the 'fame' a staunch segregationist when he refused to serve black customers in his restaurant in Atlanta, in violation of the Civil Rights Act of 1964. Later, he served as Lieutenant Governor during the period when Jimmy Carter was Governor. Upon the death of Martin Luther King, Jr., he denied the murdered civil rights leader in the honor of the farewell ceremony at the Georgia Capitol.