reposter means one who reposts. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
Etymology
From repost + -er.
noun
- One who reposts.“[…] reposted bombmaking and narcotics manuals from notorious publishers like Paladin and Loompanics. Some of these reposters alluded to the “Feinstein Amendment” as an abridgement of speech and motivator behind their repostings.”