to refuse to have anything to do with, trade with (a person, business firm, country etc) for a reason

ban; refrain from using

(especially) an official with authority to examine books, magazines, plays, films etc and to remove anything regarded as immortal or in other ways undesirable

forbid; ban; selectively remove

to speak publicly against (a person)

condemn, attack

to prevent (a person) (from getting in somewhere)

expel, forbid

to refuse to meet, talk to, (a person)

exile, banish

to cause (a person) to suffer for doing wrong

penalize for wrongdoing