Final Answer:
The legislator who merely reflects the desires and preferences of their constituents is following the delegate model of representation.
Explanation:
The delegate model of representation embodies a form of political representation where elected officials primarily act as messengers or delegates for the opinions, interests, and wishes of their constituents. In this model, legislators function as direct conduits for the views and preferences of the people they represent, essentially echoing their constituency's wishes without imposing personal judgment or beliefs on the decision-making process. This model implies that the elected official is a mere mouthpiece, conveying the specific desires and demands of the electorate to the government.
Unlike the trustee model, where legislators exercise their own judgment and make decisions they believe are in the best interest of the public, the delegate model emphasizes direct adherence to the preferences of those they represent. This approach is more prevalent in democratic systems, especially in circumstances where representatives are elected based on specific promises or stances aligned with the majority views of their constituents.
Ultimately, the delegate model underscores the importance of direct representation and responsiveness to the desires of the people in a democratic system, shaping legislative actions and decisions based on popular sentiments.