Sentence:  However a study of the cautious development of land law will also demonstrate the evolution of the modern estate manager's role through that of steward and then <WSD>land agent</WSD>, particularly well summarised in F.M.L. Thompson's "Chartered Surveyors - The Growth of a Profession". 
Meaning of the word marked with <WSD> tags:  (UK) A professional employed to manage an estate; steward or estate manager.