Pan- all Auto-self A -non Queer -reclaimed slur used by all not heterosexual or cisgender. Inter - between (to answer your question, it’s not a sexual orientation. It’s a biological gender where someone is born with both male and female genitalia. Some have reconstructive surgery to resemble one gender and often doctors will choose a gender to label the baby, male or female, though in some states babies are labeled simply as intersex)
