deviant
/ˈdi:vɪənt; `divɪənt/ n, adj (often derog 常作贬义) (person who is) different in moral or social standards from what is considered normal 偏离正常的道德或社会标准的（人）; 离经叛道的（人）
a sexual deviant who assaults children 蹂躏儿童的性变态者
deviant behaviour 不轨的行为.