He is indeed all of those things:
An upper-class avatar for lower/lower-middle class folks to wage their permanent war of jealousy against the middle/upper-middle class
What puzzles me is the support Trump gets from otherwise reasonable and successful people. They're a quiet contingent of his supporters, but I guess their traditional attachment to the Republican Party, tax cuts, and social stagnation that doesn't force them to think out of the box or challenge their social status keeps them on board.