1N-COUNT 麻风病患者;麻风病人 A leper is a person who has leprosy. 麻风病患者;麻风病人
2N-COUNT (因行为令人震惊或反感)大家唯恐避之不及的人,被排斥的人 If you refer to someone as a leper, you mean that people in their community avoid them because they have done something that has shocked or offended people. (因行为令人震惊或反感)大家唯恐避之不及的人,被排斥的人
The newspaper article had branded her a social leper not fit to be seen in company.