noun
rationalist
A person who adheres to rationalism as a philosophical stance, emphasizing reason over emotion or tradition.
彼は合理主義者で、感情より論理を優先する。
He is a rationalist and prioritizes logic over emotion.
noun
A person who takes a practical, results-oriented approach rather than being swayed by ideals or emotions.
彼女は合理主義者で、無駄なことは一切しない。
She is a pragmatist and never does anything wasteful.