a) FEU'DAL, adjective - "pertaining to fees" + FEE, noun (Latin pecu, pecus) - "use of cattle in transferring property, or from barter and payments in cattle".

b) the few suggest the -ism, the many consent to the suggested -ism...contract law.

c) those who ignore that nature sets everyone within as "free" will of choice...can be bought by others for a price.