a person who is present in a place or a situation where they do not belong or are not wanted synonym intruder闯入者;干涉者 She felt like an interloper in her own family. 她觉得自己是自己家里的闯入者。
Word Originlate 16th cent. (denoting an unauthorized trader trespassing on the rights of a trade monopoly): from inter- ‘amid’ + -loper as in archaic landloper ‘vagabond’ (from Middle Dutch landlooper).