second-class citizen

noun

a citizen, especially a member of a minority group, who is denied the social, political, and economic benefits of citizenship.

a person who is not accorded a fair share of respect, recognition, or consideration: The boss treats us all like second-class citizens.

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British Dictionary definitions for second-class citizen

second-class citizen

noun

a person whose rights and opportunities are treated as less important than those of other people in the same society

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012