What is another word for mopper?
Pronunciation: [mˈɒpə] (IPA) 
The word mopper refers to someone who cleans floors with a mop. There are several synonyms for this word, including janitor, cleaner, custodian, housekeeper, and floor sweeper. A janitor is someone who maintains a building, cleaning and maintaining it. A cleaner is someone who cleans a variety of spaces. A custodian is someone who is responsible for the upkeep of a large building, including cleaning and repairing. A housekeeper is someone who maintains a home, often performing light housekeeping duties. Finally, a floor sweeper is someone who cleans floors using a broom or a sweeper. These synonyms all describe someone who performs similar tasks to a mopper, and are often used interchangeably.
