Feminism is a collection of movements
Feminist movement
The feminist movement refers to a series of campaigns for reforms on issues such as reproductive rights, domestic violence, maternity leave, equal pay, women's suffrage, sexual harassment and sexual violence...

 aimed at defining, establishing, and defending equal
Feminism and equality
In general, feminism is a belief in equality between the two genders. Most feminists argue for equal opportunities, although many differ on exactly which claims to opportunity are vital, justifiable, or objectionable for the achievement of the ultimate goal of equality and many differ on...

 political, economic, and social rights and equal opportunities for women. Its concepts overlap with those of women's rights
Women's rights
Women's rights are entitlements and freedoms claimed for women and girls of all ages in many societies.In some places these rights are institutionalized or supported by law, local custom, and behaviour, whereas in others they may be ignored or suppressed...

. Feminism is mainly focused on women's issues, but because feminism seeks gender equality, some feminists argue that men's liberation is therefore a necessary part of feminism, and that men are also harmed by sexism and gender roles.

...I know nothing of man's rights, or woman's rights, human rights are all that I recognise.

We ask justice, we ask equality, we ask that all civil and political rights that belong to the citizens of the United States be guaranteed to us and our daughters forever.

Susan B. Anthony —

I’ve been described as a tough and noisy woman, a prize fighter, a man-hater, you name it. They call me Battling Bella, Mother Courage, and a Jewish mother with more complaints than Portnoy. There are those who say I’m impatient, impetuous, uppity, rude, profane, brash, and overbearing. Whether I’m any of those things, or all of them, you can decide for yourself. But whatever I am —and this ought to be made very clear—I am a very serious woman.