outrogue
/ˈaʊtɹoʊɡ/Definitions
1. noun
A person who secretly opposes a group or cause they appear to support.
“The politician was accused of being an outrogue due to her contradictory statements.”
2. verb
To secretly oppose or work against a group or cause.
“The whistleblower was said to have outrogued the corrupt corporation by exposing their wrongdoing.”