Nonpeerage
Nonpeerage refers to the status of individuals who do not hold a rank within the legally defined peerage of a country, most often the United Kingdom. The peerage comprises five ranks—duke, marquess, earl, viscount, and baron—each conferring a peer title and historically, a seat in Parliament. Those outside the peerage are commonly described as commoners and do not sit in the Lords by virtue of noble title alone.
The non-peer category includes people who hold non-peerage honours (for example knighthoods and baronetcies) as well
In modern usage, "nonpeerage" appears mainly in historical, genealogical, or sociological contexts to contrast with the