Probably also that they love war. The dictionary definition of monger is here: http://dictionary.reference.com/browse/monger But it doesn't seem to have caught up to current usage, quite. If someone is a hatemonger or war monger, they advocate hatred or war, and love to create those kinds of rifts... they are enthusiastic about the hate or the war... by the same token, you could be a peacemonger as well. Monger usually has a negative connotation (so it is derogatory), so a warmonger might call someone advocating for peace a peacemonger because they are putting peace before principles, and also ruining the warmonger's fun. :)
knowledge monger
A truth monger is an arrogant, foolish, naive person who has never learned how to balance truth and knowledge with wisdom. Truth always rules with a truth monger.
A 'War Monger' .
Someone who loves babies. Someone who wants to hold them and to have babies all to themselves!
There is no widely known person or public figure by the name Lauren Monger. It is possible that it could be a private individual or someone not well-known to the public.
A Fish Monger sells fish.
The role of media in the US is to inform, entertain, and advocate for change. Also, unfortunately, it seems like the media takes on the roles of invasive snooper and scare monger.
Adrian Monger was born in 1932.
Hate-Monger was created in 1963.
Dennis Monger died in 1990.
Metalsmith, iron forger, iron monger, fabricator
Iron Monger was created in 1982.