A third wave feminist. A woman (or man) who actively supports the rights of women in all arenas, regardless of multiple definitions or stereotypes of femininity. Supporting women's right to choose to be whatever it is that they desire, whether that is a mother, banker, artist, doctor, teacher, lawyer - or all of the above. A feminista is not necessarily "that girl from women's studies who can't get a date" or inherently unattractive in any way. She (or he!) is many things or anything, so long as that person actively supports a woman's right to have the opportunity to do anything she imagines, without societal, cultural, religious and especially political laws or preconceptions limiting her potential. A feminista also supports women's reproductive rights.
Growing up, Sarah's mother had been a big time lawyer; but Sarah, being a feminista, did not necessarily look down upon women who were stay at home mothers. Women had the right to choose their own paths.
A feminista would stand against politicians who have tried to limit the actions of Planned Parenthood, based on the fact that a woman has the right to make her own decisions with regard to her own body.
Despite being quite the feminista, Morgan got a lot of attention from guys - perhaps more so than some of her peers.
Mark considered himself a feminist because, despite being male, he supported and defended the rights of women. And hey, his wife made almost twice as much as him, which allowed their growing family to live quite comfortably.