This is the 3142nd most frequent Swedish word.
nicklas
"Nicklas" is a Swedish male given name.
In this sentence, "Nicklas" is used as a proper noun, specifically a person's name, which is common in Swedish.
Nicklas är en vänlig person.
Nicklas is a friendly person.
Here, "Nicklas" again serves as a proper noun denoting someone the speaker is referring to.
Jag såg Nicklas på kaféet igår.
I saw Nicklas at the café yesterday.
Once more, "Nicklas" is used to refer to an individual distinctively, and the context involves an activity they like.