Boxer represents the everyman worker who believes in the message and works hard to achieve the new order’s goals.
Boxer is the hard working workhorse. He is the strongest animal on the farm, and universally respected and loved. Boxer believes in Animal Farm, and trusts Napoleon. His answer to anything and everything is to work harder.
And from then on he adopted the maxim, `Napoleon is always right,' in addition to his private motto of `I will work harder.' (ch 5)
Boxer works very hard to help build the windmill, and never questions anything Napoleon suggests. Despite this, Napoleon has him sent to the butcher when he is unable to work. Although he supports Napoleon, Napoleon never supports him.