The AI-powered English dictionary
plural passifans or passifen
(dated, fandom slang) A fan, particularly of science fiction, who watches and reads the genre but does not actively engage in fanac, or fan activity. quotations
Passifan: The "unawakened" Fan, interested now only in reading the magazines and books; not yet participating in any activities.
c. 1944, Forrest J Ackerman, Fantasy Flanguage
I learned that last phrase from a femme passifan Miss Marlene Maples.
1948 December, J. Harmon, Thrilling Wonder Stories, volume 33, number 2