I pretty sure it’s Simile
It can help the reader read between the lines and figure out thing they wouldn't have if they weren't close reading. You could also pick up on hidden messages that the author might have wanted you to find.
Dose this help you?
If So PLEASE make my ANSWER the BRAINLIEST. <span />
The complete subject would be the class
Insufferable is the Gothic tone it is repeated and is explained to as the narraters feelings