先せん占せん権けん者しゃせんせんけんしゃじ字FuriganaMeanings1nounoccupant of unclaimed territoryrare termRare legal term for a person who occupies previously unclaimed land, often in the context of territorial claims or property law.先せん占せん権けん者しゃは、無む主しゅ地ちを最さい初しょに