dog killer; dogcatcher
Refers to a person who kills dogs, often in a historical or occupational context such as a dogcatcher or someone who culls stray dogs. Can carry a negative or harsh connotation.
In the past, there was a job called dogcatcher in the town.
He was disliked, being called a dog killer.
Compound of 犬 (inu, 'dog') and 殺し (koroshi, 'killing'), the nominalized form of 殺す (korosu, 'to kill').