Obedience Fanatic
An Obedience Fanatic is someone who thinks the government is the only smart person in the room. They'll believe anything they're told, even if it's a load of horse manure.
"They said it was a conspiracy. I believed it. I didn’t even check the facts.", @Believer4Life
My mom thinks the government is always right. She still believes the Earth is flat because the government told her so.
He got arrested for protesting the government, but he still thinks he was wrong.