(Internet slang) OP of a comment thread

(databases) primary key

temple administrator, a priest who oversees a temple, especially a Buddhist temple / the person who counts and manages the money donated to a temple

a surname

(Buddhism) temple priest, one of three sankō priests who administer certain Buddhist temples

a surname

the Lord's Prayer

(Internet slang) OP

(grammar) main clause

(offensive, Internet slang) a man whose age is greater than about thirty or forty who lives in one's child room and with one's parent(s).