Which is the Most Important Supporting Character in Jane Austen's "Pride and Prejudice"?

I think that Mr Wickham is the most important supporting character in Pride and Prejudice, because he is central to both Lizzy and Darcy's changes of attitude. Lizzy misjudges Mr Wickham, and in her discovery of his 'true nature' she finds that she has also been wrong about Darcy. The novel Pride and Prejudice has many characters, and each brings their own richness and substance, or lack of said substance, to the story. Obviously the …

…feelings, and re-evaluate his character. Lizzy's misjudgement of Wickham shows her that she had been too confident in her own 'observations' about not only Wickham, but Darcy too. Lizzy's comment to Jane that '[Mr Darcy] has got all the goodness, and [Mr Wickham] all the appearance of it.' Proves how much both Darcy and Lizzy both owe Wickham. He brings them together, and his exploits provide the happy ending that the story needs.