A person who is specialized in education or is a proponent of educational methods.

शिक्षा विशेषज्ञ

English Usage: The educationist emphasized the importance of early childhood education.

Hindi Usage: शिक्षा विशेषज्ञ ने प्रारंभिक बच्चों की शिक्षा के महत्व पर जोर दिया।