noun
occupant of unclaimed territory
Rare legal term for a person who occupies previously unclaimed land, often in the context of territorial claims or property law.
先占権者は、無主地を最初に占有した者を指す法律用語である。
先占権者 is a legal term that refers to the person who first occupies unclaimed land.
Compound of 先占 (せんせん, 'prior occupation') + 権 (けん, 'right') + 者 (しゃ, 'person'). The exact historical derivation is uncertain; the term appears in legal contexts.