From Longman Dictionary of Contemporary Englishsecond-class citizensecond-class citizenUNIMPORTANTsomeone who is made to feel unimportant because of the way people treat them → citizen
Examples from the Corpus
second-class citizen• One danger of treating all crime as sickness is that it makes the criminal a second-class citizen.• They want to treat all Arabs as slaves and second-class citizens.• Here we are, second-class citizens in our own country.• Private car-owners have become second-class citizens.• We did not have a chance to mingle with Okinawansthey were considered second-class citizens.• Women were very definitely second-class citizens.• Some speak resentfully of a takeover by the Wessis, with themselves marked out for the role of second-class citizens.• But they remained second-class citizens as the Service restocked itself with young men of the right background from Oxford and Cambridge. 