Who is Nosizwe from And They Didn't Die and what is their importance?

Nosizwe is a female doctor who cares for the people in the small farming villages. Nosizwe is also a political activist who goes from village to village talking to the women about the unfair activities of the government and what the woman can do to protest. Nosizwe organizes the protest that causes Jezile and over four hundred other women to be arrested and imprisoned for six months. However, Nosizwe is also arrested and she proves to be a good, strong leader to these women despite the atrocities committed by the white government.