'Buyer' in the Bible

It is bad, it is bad, saith the buyer; But when he is gone his way, then he boasteth.

And it shall be, as with the people, so with the priest; as with the servant, so with his master; as with the maid, so with her mistress; as with the buyer, so with the seller; as with the creditor, so with the debtor; as with the taker of interest, so with the giver of interest to him.

The time is come, the day draweth near: let not the buyer rejoice, nor the seller mourn; for wrath is upon all the multitude thereof.