Economist (noun)

1. An expert in economics.
2. A person who studies the production and distribution of goods, services, and resources.

Origin:

Late 18th century: from french économiste, from économie (see economy). the original sense was 'a specialist in household management', later extended to 'expert in the principles and practical management of the economy'.

Examples:

1. The economist was asked to explain the complex financial concepts to the lay audience.
2. The economist presented a report on the state of the economy to the government.
3. The economist was well known for his predictions on the stock market.
4. The economist's theories on monetary policy had a profound influence on economic thought.
5. The economist studied the behavior of consumers and businesses in the market.