Sentence:  If, following such a communication from the <WSD>land agent</WSD>, the owner of the property intimates that he is willing to negotiate for the sale thereof, he does not thereby make the <WSD>land agent</WSD> in any sense his agent for sale, or for any other purpose. 
Meaning of the word marked with <WSD> tags:  A real estate broker, especially one who specializes in the buying and selling of farms or undeveloped land.