/ ˈlepə(r); NAmE / noun
1.
a person suffering from leprosy
2.
a person that other people avoid because they have done sth that these people do not approve of
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WORD ORIGIN
late Middle English : probably from an attributive use of leper leprosy , from Old French lepre , via Latin from Greek lepra , feminine of lepros scaly, from lepos , lepis scale.