Beauty Therapist
Beauty is universal, meaning that everybody wants to look and feel good. Qualified beauty therapists can find employment all around the world (with the correct work permits, of course). Locations with a high expat population are particularly desirable.
Customers there appreciate being treated by someone who speaks their language and understands their requests and are, therefore, willing to pay a premium for it.
Cruise ships, hotels, and spas also often need qualified beauticians and hair stylists.