Who is Robert Nilsson from Unto a Good Land a Novel and what is their importance?

Robert Nilsson is Karl's younger brother. Although he is capable of hard work, he is also a dreamer, and he is anxious to move on and make a life for himself. Robert is described as intelligent, and he quickly learns English after setting his mind to studying the language from a book. He makes extra money by creating almanacs for the Swedes who find themselves in America without one. He often stretches the truth, and he is quite good at it, something that is evidences when he convinces Arvid to accompany him to California with the promise of gold.