commenter

noun

1. One who comments.

   “There are faculty advisers on El’s theater crew who balk at using “they” for one person; classmates at El’s public school on the outskirts of Boston who insist El can’t be “multiple people”; and commenters on El’s social media feeds who dismiss nonbinary gender identities like androgyne (a combination of masculine and feminine), agender (the absence of gender) and gender-fluid (moving between genders) as lacking a basis in biology.”

   “The country singer took on an Instagram commenter who had words to say regarding Owen’s latest song.”