noun
rude person; insolent fellow
A somewhat old-fashioned or literary term for someone who is impolite or disrespectful. Often used in historical or dramatic contexts.
あの無礼者を許すわけにはいかない。
I cannot forgive that insolent fellow.
時代劇では、よく無礼者と呼ばれる武士が登場する。
In period dramas, a samurai called a rude fellow often appears.
The abstract noun meaning 'rudeness' or 'impoliteness'; 無礼者 is a person characterized by this trait.
Compound of 無礼 (burei, 'rudeness') + 者 (mono, 'person'). The exact historical derivation is uncertain, but the word follows a common pattern for labeling a person by a quality.