Someone who knows a lot about the arts, food, drink is called -

Connoisseur (noun)
English Meaning: A person who has expert knowledge of something, especially an art, food, or drink, and is qualified to judge and appreciate its quality.
Bangla Meaning: প্রধানত চারুকলা (আর্ট) বিষয়ে রসজ্ঞ; পণ্ডিত বিচারক; সমঝদার: a connoisseur of painting/wine.

অন্য অপশন গুলোর মধ্যে - 
• Innocuous - Completely without harm.
• Assiduous - Showing hard work, care, and attention to detail.
• Mendacious - Not telling the truth; lying.

Source: Website Lecture.