This supervisor has violated the right of fair or equal treatment in a workplace.
Explanation:
The right to fair treatment within the workplace protects the employes of any discrimination against them because of their race, sex, nationality, disabilitys, physical characteristics, age, religion, etc...
So when in this case the supervisor demotes you because of one of the motives exposed above he is therefore infringing your right of fair or equal treatment in a workplace because your age and physical appeal shouldn't be a reason of a demotion of any kind.
Well alternatives for college education would be vocational
or trade schools where you learn skills and get certifications for it that
proves your qualifications in that profession.
Then there is an apprenticeship where you study under an expert or
well-known person in that field. You can
also apply for a training program where you can learn a trade and find work
right after you complete it.
The answer to this question is Longintudinal Longintudinal research design is a tyoe of ressearch design that involved asking repetitive observations over same variables. In a lot of cases, longintudinal research could take more than 10 years since the process is really long and repetitive.