The ambassador is a representative of the American President, so that fits.
As democracy is perfected, the office of president represents, more and more closely, the inner soul of the people.
Trump's approval rating is in the 30s and has been for a while. He won a plurality not a majority of the votes in 2024. An even larger number of eligible voters didn't vote.
Also Congress was meant to be the democratic representation of the people. Technically, the president is elected by the states.
I wish I could disagree with you, but I live in Florida.