opportunistic(said of people who will take advantage of situations) adjective [UK: ˌɒ.pə.tjuː.ˈnɪ.stɪk] [US: ˌɑː.pər.ˌtuː.ˈnɪ.stɪk]You're opportunistic. = Eres oportunista.
oportunistanoun {m}
opportunist [opportunists](someone who takes advantage of any opportunity) noun [UK: ˌɒ.pə.ˈtjuː.nɪst] [US: ˌɑː.pər.ˈtuː.nəst]