Latin "Burgus" (fortress) -> Frankish "burgz" (fortress, watchtower) -> Old High German "Burg" (castle, fortress) -> Hamburg (a city's name) -> hamburger (someone from Hamburg, a type or meat patty from there, a type of sandwich made with said patty.)-> English "burger"( A variant of said sandwich)

Latin "Burgus" (fortress) -> French "Bourg" (small town, historically the fortified part of a town, often more expensive because safer and better situated) -> French "bourgeois" (A person living in the Bourg, a wealthy person, a capitalist)

"Burger and "Bourgeois" are cognates. Eat the rich.