researcher

noun
UK /rɪˈsɜː.tʃər/
US /ˈriː.sɝː.tʃɚ/

A researcher is a person who learns new things by studying and asking questions.

The researcher studied the stars every night.


OTHER MEANINGS

2. Someone whose job is to find facts and information for a company or group.

The company hired a researcher to find out what kids like to eat.

3. A student who gathers information for a school project or paper.

As a researcher for her class project, she read many books about volcanoes.

4. A person who looks into a topic very carefully before making a decision.

He was a careful researcher before buying his new bike.