An actuary is a professional who specializes in the assessment and management of financial risk. A BOOKKEEPER is someone who records and maintains financial records, such as invoices and receipts. An ACCOUNTANT is someone who prepares and examines financial records, and provides advice and guidance on financial matters. A statmaster is someone who specializes in the analysis of statistical data to make predictions and decisions. All of these roles are important for an actuary to understand in order to accurately assess and manage financial risk.