- 武士 — warrior / samurai
- 兵士 — soldier
- 学士 — bachelor (academic degree)
- 博士 / 博士 — Ph.D. / doctor
- 紳士 — gentleman
- 騎士 — knight
士 is a pictographic character. It originally depicted a person standing upright with a tool or sword, symbolizing adulthood, formality, or social standing. Over time it came to mean warriors, scholars, and men of rank.
