Refers to a person who commits an act of rebellion or treason, especially against a ruler or government.
彼は謀反人として捕らえられた。
He was captured as a rebel.
謀反人は厳しく罰せられた。
The traitor was severely punished.
Compound of 謀反 (むほん, 'rebellion') and 人 (にん, 'person'). The exact historical derivation is uncertain, but the spelling is conventionally associated with the meaning.