This persons main job is to steer the party's bill through the senate.

The majority leaders main job is to steer the party's bill through the senate. The correct answer is majority leader. 

4. They could have used a hammer with the label progress, and the nail could be labeled opposition??
7. An opponent could alter the steamroller's label with a new label instead of progress put rebel, and instead of the opposition, replace it with humanity. Lol (I believe the opposers are guys)