noun
ultranationalist
Refers to a person who advocates extreme nationalism, often emphasizing traditional culture and ethnic purity. Can carry a negative connotation.
彼は国粋主義者として知られている。
He is known as an ultranationalist.
Compound of 国粋 (national essence) + 主義 (principle, -ism) + 者 (person). The term 国粋 emerged in the Meiji era as a reaction against Westernization, emphasizing Japan's unique cultural heritage.