British actress Emma Watson is known for her role in the Harry Potter films and for her advocacy of women's equality issues. In 2014, she was appointed UN Women Goodwill Ambassador to promote gender equality. In a landmark speech, Watson launched the HeForShe initiative to engage men and boys in the fight for gender equality. The document discusses key concepts around gender, including differentiating between sex assigned at birth, gender identity, and sexual orientation. It addresses the complexity of human gender and the spectrum of gender identities.