IPA: //ˈæk.tʃu.əri//
KK: /ˈæk.tʃu.ɛr.i/
A professional who uses mathematics and statistics to assess financial risks, especially in the insurance industry, by calculating things like premiums and reserves.
The actuary provided the insurance company with detailed risk assessments.
**Actuary** → It is formed from "actus" (meaning act or deed) and the suffix "-ary" (meaning relating to or connected with). An actuary is a professional who deals with the measurement and management of risk, particularly in the insurance and finance sectors, thus relating to the act of calculating and assessing risks.
Think of 'act' ('actus') as relating to actions or deeds, and remember that an actuary is someone who assesses risks and actions in finance and insurance.