outsider înseamnă în Engleză

outsider [outsiders]▼◼◼◼(a long shot)
noun
[UK: ˌaʊt.ˈsaɪ.də(r)] [US: aʊt.ˈsaɪ.dər]John is an outsider. = John est un outsider.

underdog [underdogs]▼◼◼◻(competitor thought unlikely to win)
noun
[UK: ˈʌn.də.dɒɡ] [US: ˈʌn.dər.ˌdɔːɡ]Some people say that it is human nature to root for the underdog. = Certains disent qu'il est dans la nature humaine de soutenir l'outsider.

dark horse▼◼◻◻(unexpectedly nominated candidate)
noun
[UK: dɑːk hɔːs] [US: ˈdɑːrk ˈhɔːrs]