A person who specializes in cereals, particularly in their cultivation or production.

अनाज विशेषज्ञ

English Usage: The cerealist advised farmers on the best practices for growing wheat.

Hindi Usage: अनाज विशेषज्ञ ने किसानों को गेहूं उगाने के सर्वोत्तम तरीकों के बारे में सलाह दी।