I think that last one is red
Greg shows himself to be a dynamic character in this passage.
Explanation:
Greg shows himself to be a dynamic character as he changes and learns the worthy moral over the changes he had seen. He comes to view that a particular person should not be valued over their looks.
According to Lemon Brown, Greg is very caring and Brave person as he lost his son in the war. These all incidences changes the view in thinking of Greg towards his father.
Rethorical devices are all those which helps an individual to argue successfully, defending his point of view but also convincing people to agree with his saying. That is why rethorical devices can help a student: he can explain himself better, defend his ideas and even convince others to do what he believes to be the best.
The term comrade in Animal Farm is important because it means a friend who is also an equal, as the other answer notes. However, its main importance is its contribution to the allegory of the story. Comrade is the official title used among people in Communist countries such as the Soviet Union. Animal Farm is a metaphor for the rise of the Soviet Union, and so the term comrade is used by the animals to refer to one another.