“Owner of a lost article” in Japanese
Short answer
Owner of a lost article in Japanese is “落とし主” (otoshinushi). Full meaning: owner of a lost article, person who has lost an article, person who has dropped something.
Other ways to say “Owner of a lost article” in Japanese
遺失者
ishitsusha owner of a lost article
落し主
otoshinushi owner of a lost article, person who has lost an article, person who has dropped something
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