Auctioneer
Part of speech: noun
Definition: A person who conducts an auction on behalf of a vendor, taking bids to find the best price for the vendor.
Part of speech: verb
Definition: To sell at an auction; to auction.
Auction
Part of speech: verb
Definition: To sell at an auction.
Part of speech: noun
Definition: A public event where goods or property are sold to the highest bidder.
Example sentence: To dissociate politicians from capitalists is slightly disingenuous, to put it mildly. U.S. lawmakers are competitive and auction themselves to the highest bidder via the lobby system.