The factual details that can be noticed about the character are the fact that the character who was George was described as small and quick. He is the caretaker and friend of Lennie. He's also known to be intelligent.
The obstacle that was faced by the character was the fact that he kept the mental disability of Lennie a secret. He was also not financially capable as he had challenges with saving money to get a home.
The fact that he has a mental disability can be seen as a human rights issue because such people are usually segregated in society. The character responded to the obstacle as he cared for Lennie and protected him.
A quotation that shows the obstacle is "Well, look Lennie, if you just happened to get into trouble as you've done before, I want you to come and hide in the bush".
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