посторонний angolul

extraneous▼(not belonging to, or dependent upon, a thing)
adjective
[UK: ɪk.ˈstreɪ.nɪəs] [US: ek.ˈstreɪ.niəs]

extrinsic▼(not belonging to, outside)
adjective
[UK: ek.ˈstrɪn.sɪk] [US: ek.ˈstrɪn.sɪk]

alien [aliens]▼(person, etc. from outside)
noun
[UK: ˈeɪ.liən] [US: ˈeɪ.liən]

outsider [outsiders]▼(someone excluded)
noun
[UK: ˌaʊt.ˈsaɪ.də(r)] [US: aʊt.ˈsaɪ.dər]

stranger [strangers]▼(person whom one does not know)
noun
[UK: ˈstreɪn.dʒə(r)] [US: ˈstreɪn.dʒər]