Dominie Sampson is a character from the novel "The Heart of Midlothian" written by Sir Walter Scott. He serves as a schoolmaster in the fictional Scottish village of Edinburgh and is known for his eccentric personality and deep knowledge of literature. His character often provides comic relief while also reflecting the educational values of the time. In the story, Dominie Sampson is portrayed as a devoted teacher who struggles with social interactions. His character highlights the importance of education and the challenges faced by those in the teaching profession during the early 19th century. Through his interactions, readers gain insight into the societal norms of Scotland during that era.