tallyman

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun One who keeps a tally or count of something.
• noun Chiefly British One who goes from door to door selling goods on an installment plan and collecting payments.

from The Century Dictionary.

• noun One who keeps a tally or score.
• noun One who keeps a tally-shop, selling goods on short credit, the accounts of which are kept by a system of tallies, without regular book-accounts.
• noun One who sells by sample goods to be delivered afterward, or who takes orders for such goods.
• noun A man who lives with a woman without marriage. See to live tally, under tally, n.
• noun In forestry, a man who records or tallies the measurements of logs as they are called by the scaler.

from the GNU version of the Collaborative International Dictionary of English.

• noun One who keeps the tally, or marks the sticks.
• noun One who keeps a tally shop, or conducts his business as tally trade.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A person who keeps a tally of something
• noun A person who conducts the tally trade

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun one who sells goods on the installment plan
• noun one who keeps a tally of quantity or weight of goods produced or shipped or received