You can read James’post here: http://rejoiceandbeexceedingglad.blogspot.com.au/2017/04/revolving-door-ancestors-on.html
Lonetester mentioned in her blog on 18/8/2014 that Megan Smolenyak was a genealogy adventurer.
Megan Smolenyak Smolenyak (yes, that is her name), is one of those well-known names in the genealogy-world. Self-described as a “genealogy adventurer” she’s a genealogist having worked on many celebrity family trees, is a regular guest presenter at genealogy events, worked on multiple genealogy TV shows and is a author of a number of books and numerous articles. All in all, she’s loves finding dead people.
No need to provide a definition for this term. Alona‘s blogpost says it all.