You know Emma Watson as Hermione Granger in Harry Potter, but you probably didn't know she's also a goodwill ambassador for women at the United Nations. 

The 24-year-old actress just delivered a powerful speech on gender equality while launching a new campaign.

Watson explained the definition of feminism (FYI):

She went on to discuss some common stereotypes about feminism:

Before delving into how this issue affects both men and women, which is what the new UN campaign, HeForShe, is about: involving men in the fight against gender disparity. Because as the site states, this is not just a women's issue, but a human rights issue.

Watch the rest of Watson's speech above. 

[via Vanity Fair]