see sample answer below

realist: a person who accepts a situation as it is.
Feminist: someone who supports feminism. Feminism is the advocacy of women’s rights based on equality.
Idealist: Someone who is guided by ideals rather than practical considerations.

The man at the bar went to stop another guy from touching a woman without her consent, what a feminist thing to do.
The man at the bar told me that he was a feminist. He said he supported equal pay for women and that he supported women being able to do whatever they want.