1) Epicure 2) Food expert 3) Gourmet 
• (p. pr.) A good fellow; a jovial companion; a free liver.
Bon' vi`vant' ; plural Bons vivants [ French bon good + vivant , present participle of vivre to live.] A good fellow; a jovial companion; a free liver. 
bon vivant 1. A person who is devoted to refined sensuous enjoyment; especially, good food and drink. 2. Someone who has refined tastes; especially, any one who enjoys superb food and drink.
a person who lives luxuriously and enjoys good food and drink.