A treacherous and rebellious person; someone who harbors sinister intentions and commits wicked acts against their own people or community.
他从小就表现出对家人不敬，长大后更是做出许多背叛朋友的事情，简直是社团里的贼臣逆子，人人对他嗤之以鼻。
From a young age, he showed disrespect towards his family, and as an adult, he even committed many acts of betrayal against his friends; he was simply a treacherous and rebellious figure within the community, scorned by everyone.
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