noun
Dated term for a person who has committed an offense or crime; now mostly replaced by 犯罪者 or 犯人 in modern usage.
昔の文献では、咎人を捕らえる話がよく出てくる。
In old documents, stories about capturing offenders often appear.
Compound of 咎 (とが, 'offense, blame') and 人 (にん, 'person'). The exact historical derivation is uncertain, but the spelling is conventionally associated with the meaning of a person who bears blame.