Someone who is lean under the optimal gorging conditions of a rich 1st world nation and often noticeably starving in most 3rd world nations.
Yeah its almost impossible for most people to get fat for lean times on a vegetarian diet. So vegetarian usually spells rich or at least well to do.
Pay attention junior burglar, an experienced thief can measure someone's wealth by watching the diet they eat. Regular fast food burgers means poor and a varied healthy vegetarian diet means loaded.
Its a rare Somalian who survives as a vegetarian. Red Cross suggestions be damned a pound of cow goes as far as 3-4 pounds of rice. And stringy cow is almost as easily available since they can survive and grow on dusty grass.