What term describes a broker or salesperson who represents the seller but works with a buyer as a customer?

The correct term for a broker or salesperson who represents the seller while working with a buyer as a customer is "subagent." In this scenario, the subagent acts on behalf of the seller, having a fiduciary responsibility to protect the seller’s interests, but they engage with the buyer in a non-fiduciary role. This means that while they may assist the buyer with information about the property or help with the transaction, their primary allegiance remains with the seller.

In real estate transactions, understanding the roles of different agents is crucial. The subagent facilitates the selling process and may help the buyer to find a suitable property, but they do not owe the buyer the same level of duty or loyalty that they owe to the seller. This distinction is important in maintaining clarity around representation and responsibilities in real estate dealings.

Other terms such as facilitator, dual agent, and exclusive agent denote different roles that do not correctly describe this specific situation. A facilitator typically assists both parties without representing either, a dual agent represents both the buyer and the seller, potentially creating conflicts of interest, and an exclusive agent is someone who has a singular, focused relationship with one party, usually under a contract. Therefore, "subagent" is the correct answer for this context.