Schrodinger's Hypocrite
A person who will pretend to openly support an organization or movement, but will badmouth said organization or movement in secret.
"I'm not supporting BLM because they're important. I'm doing it for the clout!"
"Dude...F**k off. You're such a Schrodinger's Hypocrite."
"Dude...F**k off. You're such a Schrodinger's Hypocrite."