squatter
noun [ C ] uk/ˈskwɒt.ər/ us/ˈskwɑː.t̬ɚ/
擅自占屋者;偷住者
a person who lives in an empty building without permission
Australian English（旧时的）擅自垦荒者
someone in the past who took land that did not officially belong to them in order to use it for farming