Answer:
Market maker.
Step-by-step explanation:
A broker-dealer that accepts the risk of holding a particular security in its account to facilitate trading and provide liquidity in that security is best described as a market maker.
A market maker also known as a liquidity provider refers to an individual or business firm who is saddled with the responsibility of quoting a buy or sell price for a commodity with the hope of making profit on the ask-bid price.