proprietarian

noun3

1. •
   A person who owns property (a proprietor) or believes in proprietarianism, that is, that property is an absolute right.

   • The poor have been classified as the proletarians and the rich as the proprietarians on the Chinese mainland. In the Communist view all proletarians are good men and all proprietarians are bad men. — 1974
2. •
   (historical) A proponent of proprietarianism, that is, of proprietary colonies and proprietary government in colonial America.

   • The quakers and proprietarians together have little weight. New Jersey shows a noble ardor. Is there any thing in the air or soil of New York unfriendly to the spirit of liberty? — 1854
3. •
   (rare) A stickler for proprieties.

   • We could do just about as we very well pleased, so long as we did not hurt ourselves or others, and so long as we understood right from wrong. Indeed, we were disciplined by proprietarians. — 1977