A person that simply cannot be happy for another person's success. So rather than be happy they make a point of exposing a flaw in that person.
Muhareb, the result of being a Hater, is not exactly jealousy. The Muhareb doesnt really want to be the person he or she hates, rather the Muhareb wants to knock somelse down a notch.
Susan: You know, Kevin from accounting is doing very well. He just bought a house in a very nice part of town.
Mike (Muhareb): If he is doing so well why does he drive that '89Taurus?
Fogey/fogy /fougi/ sl. (early 18C+, orig. Scot) old-fashioned, stuck-in-the mud.
Person with old fashioned ideas which he is unwilling to change: Come to the disco and stop being such an old fogey!
You think me an old fogeyand an old tory, his thoughtful voice said. I saw three generations since O’Connel’s time. I remember the famine. Do you know that the orange lodges agitated for repeal of the union twenty years before O’Connel did or before the prelates of your communion denounced him as a demagogue? You fenians forget some things. (James Joyce, Ulysses. Penguin Books,1992. p. 38)