Answer:
Social security may be defined as any programme of social protection established by legislation, or any other mandatory arrangement, that provides individuals with a degree of income security when faced with the contingencies of old age, survivorship, incapacity, disability, unemployment or rearing children. It may also offer access to curative or preventive medical care.
If you are trying to match a term with that definition I think you answer would be bureaucracy (<span>a system of government in which most of the important decisions are taken by state officials rather than by elected representatives)</span>
The correct answer should be stereotype.
It is a common stereotype about professors that they are often irritable, that they don't really care whether their students are going to learn anything, and that they are quick of temper. This is why Dave thinks that all professors are like that, even though that is obviously not true.
