The system of provinces was a part of the ancient political system in Japan.

He is a perfectionist, so he is very strict about his work.

He publicly acknowledged that he is a homosexual.

He always looks at things like a pessimist.

He is always an optimist, believing in a bright future even in difficult situations.

He identifies himself as an atheist.

He is the intellectual leader of our team, always providing new ideas.

He is a true humanitarian, always striving to alleviate the suffering of others.

He is a positivist who thinks based on scientific evidence.

He considers himself an existentialist.