Rebellious
Part of speech: adjective
Definition: Showing rebellion.
Example sentence: I have to say that Adam Levine is truly a daring young man to go on Twitter to bash Fox News. He's so rebellious, so subversive. I mean, for a musician, seriously, could you find a more predictable stance than that? He's as edgy as a hacky sack, which also describes his music.
Disloyal
Part of speech: adjective
Definition: Of or pertaining to an absence of loyalty; faithless, traitorous.
Example sentence: The United States has tried for years to live down President Franklin D. Roosevelt's order during World War II to move Japanese-Americans on the West Coast to inland detention camps on grounds that they might be disloyal.