Until women themselves reject stigma and refuse to feel shame for the way others treat them, they have no hope of achieving full human stature.

This quote is saying that until women stop feeling ashamed and embarrassed about how other people treat them, they will not be able to achieve a higher level of respect or equal rights as men. They need to reject any negative attitudes that other people have towards them and choose to be proud of who they are and what they do. Only then will they be able to achieve true equality.