A more thorough explanation:

A restater is someone who writes a restatement. A restatement is a document that summarizes and clarifies the law. It is written by legal experts and is used by judges, lawyers, and scholars to understand the law.

Here are some examples of restatements:

• The Restatement of Torts
• The Restatement of Contracts
• The Restatement of Property

These restatements are written by legal experts and provide a summary of the law in their respective areas. They are used by judges, lawyers, and scholars to understand the law and make decisions based on it.