The word in the sentence that is
the predicate adjective: Hannah was generous in offering to help care for the
little stray kittens, is little stray.
I think it is personification, because personification means to make non living things sound real, and the lines 149-151 follow that. “The taut gut vibrating hummed and sang a swallow’s note.”
the problem is that cat for the mice they need to know where he is so they can stay away so they need a possible solution