From this passage, odious means?
choices: tedious, hateful, difficult, or harmless.
ODIOUS means HATEFUL.
Rene detested the Nazis whom he likens to swine.
Detest is synonymous to hate. Swines are also known as hogs.
Because Rene associates the detestable Nazis with the hogs, he finds feeding the hogs a hateful task.
Odious is also defined as extremely unpleasant and repulsive. Thus, doing an odious task is hateful.
An ellipsis is a writing method often used to shorten a quote, create suspense or a pause, without changing the meaning of the sentence. Ezra can tell whether the scene she viewed utilized an ellipsis by reviewing the scene, and looking for the aforementioned possibilities.
aforementioned: previously mentioned
-_-
the most fitting one is <em>Claimant</em>
Critic is someone who gives their opinion on something, that could be friendly or harsh. Claimant means someone who makes a claim.
I'm probably wrong, but that is my best guess