ostracized(verb) – exclude (someone) from a society or group.

source – https://www.google.com/search?q=ostracized+definition&oq=obstracized+&aqs=chrome.1.69i57j0l5.16506j1j8&sourceid=chrome&ie=UTF-8

IN chapter 11 of Quicksand by Nella Larsen it says, ” ‘It’s the principle of the thing that I object to. You can’t get around the fact hat her behavior is outrageous,treacherous, in fact. That’s what’s the matter with the Negro race. They won’t stick together. She certainly ought to be ostracized.”

After learning the definition of the word, I know now how Anne felt about colored people because  she saw Dr. Anderson danced with a colored woman and Anne felt so jealous and hatred toward the woman. The author shows how white people mistreated people of color and discriminated them.