As for the former, they are people who either created – starting with Tim Berners-Lee – who have passionately shepherded the web technologies over the many years since Tim first created ENQUIRE as a side project while at CERN.
In this group I would include the original and even the active members of the W3C Technical Architecture Group (TAG) as well as the active and passionate RESTafarians which of course includes Roy T Fielding, the father of REST.
I coined the term so I could refer to them collectively. But I want to make it clear I mean no condescension; I have great respect and appreciate for these people. I just thought a catchy name would make them more memorable and easier for me to refer to them. :-)