This is the 7763rd most frequent German word.
harzer
"Harzer" refers to a type of German cheese from the Harz region.
Here, 'Harzer' is used as an adjective relating to the Harz region, describing the type of cheese.
Der Harzer Käse ist eine regionale Spezialität.
The Harz cheese is a regional specialty.
In this sentence, 'Harzer' is a noun referring to a person from the Harz region.
Ein Harzer Wanderführer zeigte uns die schönsten Routen.
A guide from the Harz region showed us the most beautiful routes.
Here, 'Harzer' describes something related to the Harz region, specifically a mythical entity.