客 の訳語→ business buyer caller client clientele company crowd customer guest occupant party people punter visitor
兄弟 の訳語→ bro brother brotherly brothers relative sister
経営者 の訳語→ begetter keeper manager owner
相手 の訳語→ antagonist companion enemy everybody face friend grip he him interest man one other person quarry she someone they victim
相棒 の訳語→ alliance colleague pal
提携する の訳語→ affiliate collaborate