不ふ法ほう入にゅう居きょ者しゃMeanings1noununlawful occupant; squatterrare termRare legal term for someone who occupies a property without legal right. More commonly expressed as 不法占拠者.See also: 不法占拠者そのアパートには不ふ法ほう入にゅう居きょ者しゃが住すみ着ついていた。An unlawful occupant had taken up residence in that apartment.