This is the 7473rd most frequent Swedish word.
staffan
"Staffan" is a Swedish male given name, a variation of the name Stephen.
In this sentence, 'Staffan' is used as a proper noun, referring to a person's name.
Staffan är en vänlig människa.
Staffan is a friendly person.
Here, 'Staffan' is again used as a proper noun identifying an individual, highlighting his presence at an event.
Jag träffade Staffan på festen igår.
I met Staffan at the party yesterday.
In this context, 'Staffan' is part of a title, referring to a historical or religious figure.