店主|てんしゅtenshu[1]atamadaka (head-high)

1. nounshopkeeper; storekeeper; proprietor of a shop
   店主てんしゅは私にそれを買かうようしきりに勧すすめた。↗

   The shopkeeper urged me to buy it.

• SynonymオーナーNeutralA loanword for an owner or boss, covering companies and even sports teams; 「店主」 refers specifically to the owner of a shop.
• Synonym商店主しょうてんしゅWrittenA written/formal word for someone who runs a shop and sells its goods; 「店主」 is shorter and more commonly used.
• Antonym客きゃくNeutralA customer; stands opposite 「店主」 in the buying-and-selling relationship.
• Antonym従業員じゅうぎょういんNeutralAn employee; stands opposite 「店主」 in the employment relationship.

Use 「店主」 for the owner of a shop, as in 「パン屋の店主」. In written or formal prose you can use 「商店主」; 「オーナー」 covers owners of businesses or teams. The opposites are 「客」 and 「従業員」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 店みせの主ぬし。店舗てんぽの主人しゅじん。