Answer:
Ungeziefer is the German word referring to the generalization of small animals hard to control constituting a hazard or nuisances due due being parasitic, a vermin, which was the offensive term used against Jews, especially between late 19th century and early 20th century by the time Kafka lived in East Europe, and Jews were regarded as regrettable by society at that time. Thereby Vermin.
Step-by-step explanation: