The kanji 士 primarily represents a "warrior," "samurai," or "gentleman." It conveys the idea of someone with martial skills, knowledge, and a sense of duty, often associated with a higher social standing. It can also imply a person who serves or a specialist.

・On-yomi (音読み): シ (shi) ・Kun-yomi (訓読み): None

⚫︎ 博士 (はかせ) Translation: Doctor (of a specific field) ⚫︎ 士業 (しぎょう) Translation: Professionals (such as lawyers, accountants, etc.) ⚫︎ 武士道 (ぶしどう) Translation: The way of the warrior; Bushido

The kanji 士 is a pictograph. It depicts a hand holding a tool or weapon. This symbolizes someone who is trained in the arts of warfare or service, hence the meaning of "warrior" or "man of service."