Who was Jagger's' clerk?

Jagger's clerk refers to the character in Charles Dickens' novel "Great Expectations," specifically Jaggers, a lawyer in London. His clerk is named Wemmick, who plays a significant role in the story. Wemmick is characterized by his quirky personality and his contrasting life between his work with Jaggers and his private life at his castle-like home. He symbolizes the duality of professional versus personal life in the novel.