The answer to this question will vary depending on who you talk to, I call myslef a a feminist and to mean it is a person who believes in equality regardless of gender rules or social rules.
Susan B. Anthony
... a male feminist.
Technically, all you have to do is identify as a feminist. At worst, you'd be a bad feminist (as opposed to not a real feminist) because feminism is a movement, not an organisation. To be a good feminist, you'd have to engage in women's rights advocacy or women's rights activism.
he was very feminist in nature.
Feminist Library was created in 1975.
Feminist Formations was created in 1988.
The Feminist Press was created in 1970.
The Naked Feminist was created in 2004.
there is no hierarchical power relationship between researcher and respondent in Feminist Research. feminist research analyze the variable in feminist perspective.
The individual feminists propounded the feminist theories.
Feminism is the belief/worldview and a feminist is the practitioner of that belief.
Feminist Improvising Group was created in 1977.