buyer(n = noun.person) emptor, purchaser, vendee - a person who buys;
is a kind of client, customer
has particulars: customer agent, home buyer, orderer
Derived form verb buy₁

   One who buys; a purchaser. [1913 Webster]

buyer, n.
1 a person employed to select and purchase stock for a large store etc.
2 a purchaser, a customer.

Idiom:
buyer's (or buyers') market an economic position in which goods are plentiful and cheap and buyers have the advantage.

N  purchase, emption, buying, purchasing, shopping, preemption, refusal, coemption, bribery, slave trade, buyer, purchaser, emptor, vendee, patron, employer, client, customer, clientele, purchased, caveat emptor, the customer is always right.

N  merchant, trader, dealer, monger, chandler, salesman, changer, regrater, shopkeeper, shopman, tradesman, tradespeople, tradesfolk, retailer, chapman, hawker, huckster, higgler, pedlar, colporteur, cadger, Autolycus, sutler, vivandiere, costerman, costermonger, tallyman, camelot, faker, vintner, money broker, money changer, money lender, cambist, usurer, moneyer, banker, jobber, broker, buyer, seller, bear, bull, concern, firm.

N  stock market, stock exchange, securities exchange, bourse, board, the big board, the New York Stock Exchange, the market, the open market, over-the-counter market, privately traded issues, commodities exchange, futures exchange, futures market, the pit, the floor, ticker, stock ticker, quotation, stock index, market index, the Dow Jones Index, the Dow Industrials, the transportation index, utilities, the utilities index, the New York Stock Exchange index, the Nikkei index, the Financial Times index, the FTI, the over-the-counter index, NASDAQ index, broker, stockbroker, jobber, stock dealer, odd-lot dealer, specialist, investor, speculator, operator, bull, buyer, bear, short seller, scalper, arbitrager, arbitrageur, stockholder, share-holder, stockholder of record, bond holder, coupon- clipper, investment, speculation.

home buyer