New Delhi, Sept 22 (ANI): Emma Watson has called on men to help end gender inequality, saying that it's their issue too. Emma, who launched a new UN initiative called "HeForShe" aiming to enlist the support of as many men as possible to help achieve equality between the sexes, said that that one thing she knows for sure is that relating women's rights to this. She said that for the record, feminism by definition is: 'The belief that men and women should have equal rights and opportunities. It is the theory of the political, economic and social equality of the sexes.