The person who takes care people's teeth.

The person who studies about the science.

The person who studies about planets or outer space.

The person who examines or records of the money received,paid or owed by a company or person.

The person who takes care or cures the sick animals.

The head of the government in some countries .

The person whose job is discover information about news events or describe them or a newspaper , magazine or the radio or television.

Someone who studies ancient buildings ,graves , tools ,or other object of the people who lived in the past.

The person who serves the customers in a shop.