So if all that Ms. Greene has done is looked out for her...

So if all that Ms. Greene has done is looked out for her constituents, and said that she's going to cast her vote in a way that is best for them, then there wouldn't be bribery. If, however, if she asked or received from developers or someone else, money or some other tangible property or item that has value that she accepted in exchange for promise to vote or not vote in a serving way, then that would of course be bribery.