For Ayesha, a gender equality activist from Sierra Leone, fighting sexism means defying tradition. In her home country, girls are often married young and may be discouraged from going to school. To challenge these practices, the 21-year-old may have to stand up to a respected community leader.
"You are constantly walking on eggshells," she says. (Plan International, which partners with Ayesha, asked that her last name not be used to protect her from backlash caused by the issues she addresses.)