Possible Clues:

• One may provisionally supply you
• Obsolescent entrepreneur
• Sounds like more than a gross in store for him
• Seller of food and household supplies
• Fruit seller
• Chesterton's wicked tradesman's more bloated, it's said
• The food merchant has extra supply of fat, we hear
• Sounds like the way to tell 20 down to get bigger in trade (6)
• He sounds like the coarser kind of tradesman
• Food dealer