noun
objectivist
Refers to a person who adheres to objectivism, a philosophical stance emphasizing objective reality and reason.
彼は客観主義者として、感情よりも事実を重視する。
As an objectivist, he values facts over emotions.
客観主義 is the philosophy of objectivism, while 客観主義者 refers to a person who follows that philosophy.
Compound of 客観 (objective), 主義 (principle, -ism), and 者 (person). The term is a direct translation of the English 'objectivist'.