The Question and Answer section for James and the Giant Peach is a great resource to ask questions, find answers, and discuss the novel.
This sentence contains a simile, if you are looking for figurative language.
All of the creatures are moving around excitedly, and it seems as if there were an earthquake taking place. They want the peach to move though they are not certain where.
The Old Man is not mentioned in Chapter Seven of the text. Please check your question and correct of necessary.