主（あるじ、aruji）
- master

The Japanese word 主 (あるじ, aruji) primarily signifies "master," "head," "chief," "owner," or "lord." It conveys a sense of authority, ownership, or leadership. It can refer to a person in a position of control or the primary entity associated with something. The meaning depends heavily on the context. Its meaning is related to the person who is in charge of something.

⚫︎彼は会社の主です。 Translation: He is the head of the company. ⚫︎この店の主はとても親切です。 Translation: The owner of this shop is very kind. ⚫︎ゲームの主人公は勇敢な戦士です。 Translation: The main character of the game is a brave warrior.

⚫︎主 is often used to describe someone who has authority, ownership, or is in charge. ⚫︎ It's suitable in formal and informal situations, depending on the context. ⚫︎When addressing someone directly, it's more common to use honorifics (e.g., 社長, shachou - company president) rather than 主. ⚫︎主 can also be part of compound words (e.g., 主人, shujin - husband/master).

⚫︎The word is typically written as 主 (kanji) and read as あるじ (hiragana). ⚫︎There aren't many variations in okurigana for this word in common usage.

⚫︎リーダー (riidaa) - leader ⚫︎社長 (shachou) - company president ⚫︎主人 (shujin) - master, husband (often used to refer to a husband) ⚫︎支配人 (shihainin) - manager ⚫︎ボス (bosu) - boss ⚫︎主人公 (shujinkou) - protagonist

⚫︎部下 (buka) - subordinate ⚫︎従者 (juusha) - follower

彼はそのプロジェクトの主導者です。 ・Translation: He is the leader of that project. ・Explanation: This sentence uses 主 to indicate the person in charge or the leader.

そのレストランの主は有名なシェフです。 ・Translation: The owner of that restaurant is a famous chef. ・Explanation: This sentence uses 主 to refer to the owner of the restaurant.

The kanji 主 originated in ancient China, depicting a lamp or torch and thus related to the idea of being the center or focus, hence, "master" or "main."