interloper

n person who is present in a place where he does not belong, interferes in sth which is not his affair, etc; intruder 闯入者; 干涉他人事务者: Security guards were stationed at the door to deal with any interlopers. 门口已设警卫人员以阻止闯入的人.

interferon, interim, interior, interior decorator, interior design, interior designer, interject, interjection, interlace, interlard, interleaf, interleave, interline, interlinear, interlining, interlink, interlock, interlocking, interlocutor, interlope, interlude, intermarriage, intermarry, intermediary, intermediate, intermediate-range (ballistic) missile, intermediately, interment, intermezzo, interminable, interminably, intermingle, intermission, intermittent, intermittently, intermix, intermixture, intern, intern (also interne), internal,