Final answer:
In 'Animal Farm' by George Orwell, Mr. Whymper is a broker who facilitates trade between the animals and humans.
Step-by-step explanation:
In George Orwell's novel Animal Farm, Mr. Whymper is a character who serves as an intermediary between the animals of the farm and the human world. He is neither a postman, a new farmer, nor a banker, but rather he is a broker. Mr. Whymper is hired by the pigs to represent their interests in dealings with humans, helping them sell farm products and purchase items that are needed for the farm. His introduction into the story represents the pigs' increasing willingness to engage in trade with the humans whom they initially despised and overthrew, blurring the lines of the original ideals of the Animalism ideology.