Entry: deuteragonist (n.)
In context: "Oglivie'd once lectured for a whole period on this kid's character as an instance of the difference between an antagonist and a deuteragonist in moral drama..."
Definition: The second actor or person in a drama: distinguished from the protagonist.
Other: I feel like this is one of those words you can use to check if people are listening to you when you speak. If they just nod here, they probably aren't.
SNOOT score: 4
Source: Oxford English Dictionary