Nounself Pronouns and Otherkin

I’ve seen a factor on Tumblr lots known as “nounself pronouns” the place individuals will declare that their gender is one thing extra akin to a bodily object or an idea and can mannequin their pronouns after it. A variety of nounself pronouns must do with area. Might these individuals be starseeds and simply not realize it? I’ve additionally questioned about otherkin/therians. Is there any intersection between them and starseeds in any respect?