He wasn't non-binary but he definitely identified as a bull, a swan, a shower of coins, an ant...
Definitely bepenised and rapey, though. I don't know how you sex a shower of coins, to be fair.
I think competent 14 yos could write this, and even if they did have help, does that matter? If I were writing something like that, I might well ask a friend to review it before sending, just as I've reviewed things for them.