Based on the paragraph, the underlying emotion that is described is Lara's nervousness. There are many phrases that pinpointed to this emotion, and these are as follows: hesitated, sweaty, downcast eyes, shuffled, timidly. These speak of a person that is uncertain or afraid.
She cannot be excited because of the word "timidly" which is the exact opposite of excitement.
She cannot be disappointed because it seems that it is just the first time for her to be in the class thus she does not have any expectations yet.
Compassion is simply out of context in this paragraph.
I would just state my answer briefly as much as possible. An inference is an educated guess. It is an interpretation you make out of an observation. It does not address the obvious, but it runs deeper to the analytical ability of the human mind.
Based on the sentence, you can infer that there is a respect when it comes to ownership of slaves. They are bound not to meddle in the affairs of another. This is what may define squatter sovereignty.
Dramatic Irony is when you try to do something but do the opposite
Situational irony is when the reader knows something that the character doesn't
And verbal irony is saying something but it means a totally different thing