the same person; the person in question
Refers to a previously mentioned or contextually understood person. Often used in formal or written contexts to avoid repetition.
I received a message from the person I met the other day.
This document was submitted by the person in question.
coterie; clique; group of like-minded people
A group of people sharing the same interests, goals, or ideals. Often used in literary, artistic, or political contexts.
He belongs to a literary coterie and publishes novels.
The group that publishes the doujinshi gathered.
doujin; fan-made works; self-published creative group
Only with reading どうじん
Specifically refers to the Japanese subculture of fans or hobbyists who produce and self-publish their own magazines, manga, software, etc. Often used in compounds like 同人誌 (doujinshi) and 同人ゲーム (doujin game).
I look forward to buying doujinshi at Comiket.
He is famous as a developer of doujin games.
Every year she produces a new doujinshi for the summer event.
He is one of the group members who created this magazine.
I've continued doujin activities since my university days.
fanzine; zine; magazine by like-minded people
Tong Ren (Hexagram 13); Fellowship with Men