The term 'erudite one' can be used to describe a person who is highly knowledgeable and well-read. This type of individual is often referred to as a SCHOLAR or SAVANT. A SCHOLAR is someone who has studied a particular subject in great depth and is considered an expert in their field. A SAVANT is someone who has an exceptional level of knowledge in a specific area, often due to an innate ability or intense study. Both terms are used to describe someone who is highly educated and knowledgeable.