This is the 5671st most frequent Swedish word.
gästrike
A person from Gästrikland, a province in Sweden.
In this sentence, 'gästrike' is used as a noun to describe a person from the province Gästrikland, acting as a demonym.
Han är en riktig gästrike.
He is a true Gästrike.
Here, 'gästrike' is used as an adjective to describe the dialect associated with the region Gästrikland.
Gästrike dialekten är ganska unik.
The Gästrike dialect is quite unique.
In this usage, 'gästrike' functions as a modifier indicating the traditions originating from Gästrikland.