[SkyBelow]

It would require far more than just changing one's name. It is somewhat like the difference between old money and new money, except in this case the lower case person doesn't even have the ability to buy the training and coaching that new money is able to (to say nothing of likely having to deal with many more poverty related issues). Accents, speech patterns, how you hold yourself, how you react to people interacting with you based on both their situation and their own caste will all be different.