Samurai 日本社会的“四民”等级武士 ■ Japan was strictly hierarchical with the population divided among four distinct classes: ■ samuraI, farmers craftspeople, and traders Samuraiis a common term for a warrior in pre-industrial Japan J apanese samural In armour, 1860 photograph.Samurai 日本社会的“四民”等级· 武士 ◼ Japan was strictly hierarchical with the population divided among four distinct classes: ◼ samurai, farmers, craftspeople, and traders. Samurai is a common term for a warrior in pre-industrial Japan. Japanese samurai in armour, 1860 photograph