performative christian
A person who presents themselves as Christian, but uses their religion as an excuse to vomit up bile and hate towards people of other races, genders, orientations, and beliefs, much unlike what Jesus would have done.
"For someone who claims to have read the Bible, Karen's desire to bring back slavery is very concerning."
"Well, that's because she's a performative Christian, putting on a show to appeal to her fellow bigots."
"Well, that's because she's a performative Christian, putting on a show to appeal to her fellow bigots."