Is “Backgrounder” a Scrabble word?
Yes
BACKGROUNDER
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Backgrounder
noun
1.An official briefing or document giving background information.
2.A person employed to draw backgrounds for a comic or cartoon.