Is there a way to 'turn this situation to our advantage'? [=is there a way to exploit this situation?; is there a way to take advantage of this situation?]
The union should be 'at an advantage' [=should have an advantage] in the negotiations.
She used her position for personal 'advantage'. [=for personal gain; to help herself]
(..) Right around , she's going to get very angry with me. Why is she going to get angry with you? Well, because, George, nice girls get angry when guys take advantage of them. - You're going to go touch her on her... - No. No, George, look. It's just an act, right? So, , you're strolling (..)1985 Back to the Future