A more thorough explanation:

Definition: A Romanist is someone who is knowledgeable about or specializes in Roman law.

Example: A lawyer who focuses on cases involving Roman law would be considered a Romanist.

Explanation: The term "Romanist" is derived from the Latin word "Romanus," meaning "Roman." A Romanist is someone who has studied and is well-versed in the legal system of ancient Rome, which has had a significant influence on modern legal systems around the world. Examples of Roman law include the concept of innocent until proven guilty and the use of written laws. A Romanist may work in academia, as a legal consultant, or as a practicing lawyer.