This is the 637th most frequent Swedish word.
forskare
Researcher.
In this sentence, "forskaren" (the researcher) is used as a subject noun to refer to a person conducting scientific investigations.
Forskaren undersöker hur klimatet förändras.
The researcher investigates how the climate changes.
Here, "forskare" is used as a plural noun to denote multiple people engaged in research.
Vi behöver fler forskare som studerar alternativa energikällor.
We need more researchers who study alternative energy sources.
In this context, "forskare" is used to describe a role or occupation typically achieved through significant education and effort.