On the other hand, his deception means that he betrayed his own nation.

deception 是名词，来自动词 deceive（欺骗）。deceive 由前缀 de-（表示“离开、偏离”）和词根 -ceive（来自拉丁语 capere，意为“拿取”）组成，字面意思是“拿取时偏离正道”，引申为“欺骗”。 deception 指“欺骗行为”或“骗局”，强调通过虚假手段误导他人的行为。