You'll have to be somewhat more specific with regards to what form of transformation you refer to. Shaper shifter, red riding hood and the wolf, multiple personality disorders, serial killer etc... The one common thread in this context is that appearances are always deceiving so it is always wise to be on your guard in any given situation because absolute safety is an illusion.
This mostly depends from country to country, but most commonly people such as teachers, accountants, often doctors, builders and civil engineers, basic lawyers are often found as parts of a saturated job market.
