rioter vs bad hat

rioter and bad hat both are nouns.

Word	Noun	Adjective	Verb	Adverb
rioter	Yes	No	No	No
bad hat	Yes	No	No	No

As nouns, bad hat is a hypernym of rioter; that is, bad hat is a word with a broader meaning than rioter:

rioter: troublemaker who participates in a violent disturbance of the peace; someone who rises up against the constituted authority
bad hat: someone who deliberately stirs up trouble

Other hypernyms of rioter include mischief-maker, trouble maker, troublemaker, troubler.

rioter (noun)	bad hat (noun)
troublemaker who participates in a violent disturbance of the peace; someone who rises up against the constituted authority	someone who deliberately stirs up trouble