intruder [intruders]◼◼◼(someone who intrudes) noun [UK: ɪn.ˈtruː.də(r)] [US: ˌɪn.ˈtruː.dər]He drove off the intruders. = Il chassait les intrus.
interloper [interlopers]◼◼◻(one who interferes) noun [UK: ˈɪn.tə.ləʊ.pə(r)] [US: ˈɪn.təlo.ʊ.pə(r)]We felt like interlopers. = Nous nous sentions comme des intrus.