Translation of Scharlatanerie

I arrived there but could not find a hotel immediately, so that I took my luggage with me. I know that this is very provocative to thiefs. One should not walk on the street with a big backpack.
The belief of somebody that a race or a group of people to which he belongs is superior to another. Even though the word itself stems from the word 'race', its meaning must be generalized.
I found a pair of Nike shoes for a bargain and I do not know until this day why those shoes were so cheap. I am sure that they are not fake, as they are great quality. My wife also bought a pair.