sex offender
noun [ C ] uk/ˈseks əˌfen.dər/ us/ˈseks əˌfen.dɚ/
性犯罪者
a person who commits a crime involving a sexual attack
People who commit these crimes are placed on the sex offenders' register (= a list, kept by the police, of people who have been convicted of a sexual offence). 犯下这些罪行的人被列入性犯罪者名单中。