Broadly speaking, you probably agree with the large majority of the views commonly attributed to whichever group you identify with - what are the exceptions? Something that if you mention without a caveat immediately makes people jump to conclusions or even attack you?
A neopronoun is any gendered pronoun that isn’t she, he, or they! The history of neopronouns in English goes back a couple hundred years- though the term “neopronoun” itself wasn’t coined until recently- and they can range from pre-existing terms like “it” to something made up for one’s own personal use. The more you know!