Prejudice makes a victim feel less than others. When people are undervalued by others, their self-esteem suffers. Being prejudice is a form of bullying/discrimination.
MLK has described prejudice many times. Search, “Read Martin Luther King Jr. on White America’s Delusions” , there is an article on “The Atlantic” That should help you answer this part! Hope this helps you.
Her silence suggests that there is something she feels she cannot tell them or she is strong.