A scapegoat is, in the original Hebrew sense, a goat symbolically burdened with the sins of the ancient Jewish people. By extension, it has come to mean any group or individual that innocently bears the blame of others. What kind of beings are candidates of scapegoats?

A social system is not just a gathering of people. It does not consist in the interaction between people either. You can find a mere causal interaction between things.

An ad hoc consultative agency of the prime minister in Japan, where there is no conscription, proposes that all 18-year-old children should engage in such social service as care for old people for a year. I'm afraid that, once this institution is established, it will be difficult to do away with it. Children of less than 19 years may well object to this compulsory gratuitous service, but they have no suffrage. When they come of age and gain their suffrage, they will have gone through with the service. If someone tried to abolish it, they would complain, "Why don't our junior have to serve us, while we serve our senior? We cannot admit such unfairness."