What options are there, I don't know this stuff right off the bat.
Owners are exempt from liabilities arising from wrongful acts, and the owners in the arrangement are called members.
False. Napoleon's reign was somewhat of a dictatorship/ monarchy, rather than the republic the French were hoping for, but he did create a unified code of law (The Napoleonic Code)
The supporters you're referring to were called patrons. Patrons were usually wealthy merchants or people who have made their fortune in other ways and wanted to either have a picture of themselves and their family, or generally had a desire to support painting, some even decided to order paintings for the church in order to get in good standing with the church officials.