Doubtism
A condition where someone constantly doubts a person (or people in general) for various reasons or prejudices.
"Man you neva gonna get in da hall-uh-fame wit dem shitty jumpin' skills uh yours"
"Bro why you always doubting my abilities just cuz I'm white? why you gotta bring all that Doubtism up in here?"
"Bro why you always doubting my abilities just cuz I'm white? why you gotta bring all that Doubtism up in here?"