I don't see the passage, but an antagonist is a villain, or in other words a negative role.
Odysseus put the wax in his ears like circe told him so he wouldnt listen to the sirens and also had the men tie him down
Observer. He carefully inspects everything he sees.
I want to say either diaries or fashion magazines. Diaries are much more story like and could be a little lathered up for lack of a better word. However I would go with fashion magazines, which talk about whatever's popular at the time, giving you a quick general outlook on the time period.