士

し【士】

〔武士〕 a samurai; 〈総称〉 the samurai; 〔男子の敬称〕 a gentleman; a man; 〔一定の資格を持った人〕 a person with a qualification.

●四十七士 ⇒しじゅうしちし

・正義の士 a person who loves [with a strong sense of] justice

・同好の士を募る gather together people with the same interests

・練達の士 an expert; a person who's an expert

・救急救命士 ⇒きゅうきゅう².

●士はおのれを知る者のために死す. A samurai will lay down his life for a master who appreciates his worth.