Which term in the article constitutional convention is closest to another term representative government?

The term "delegate" in the context of the Constitutional Convention is closest to "representative government." Delegates were elected representatives tasked with proposing and debating the framework of the new government, embodying the principles of representation by acting on behalf of the interests and will of the people. This aligns with the core concept of a representative government, where officials are chosen to make decisions and create laws for the populace.