Muck Raker is a term used to describe a journalist or writer who searches for and publishes scandalous information about public figures. The term was first used in the early 1900s to describe journalists who uncovered political and corporate corruption. The crossword solution for Muck Raker is GROOM, which is a verb meaning to clean and maintain something. This term can be used to describe the work of a muck raker, as they often search through dirt and grime to uncover the truth.