A scholar or academic: someone who studies or conducts research professionally, such as a scientist or university academic.
その分野の第一人者である学者が講演に来た。
A leading scholar in that field came to give a lecture.
彼は物理学者として長年研究を続けている。
He has been conducting research for many years as a physicist.
若い学者たちが共同で論文を発表した。
Young scholars jointly published a paper.
A learned person; someone well-versed in learning or scholarship—used broadly for persons with deep knowledge.
古典に詳しい学者は、当時の文化をよく説明してくれた。
The scholar knowledgeable about the classics explained the culture of that era well.
学者としてだけでなく、教育者としても尊敬されている。
He is respected not only as a scholar but also as an educator.
彼女は幅広い分野に興味を持つ学者だ。
She is a scholar with interests across a wide range of fields.