noun (n)

• a preparation used in cleaning something(noun.artifact)

  Synonym:
  cleanser, cleansing agent
  

  source: wordnet30
• the operator of dry-cleaning establishment(noun.person)

  Synonym:
  dry cleaner
  

  source: wordnet30
• someone whose occupation is cleaning(noun.person)

  source: wordnet30
• One who, or that which, cleans.(noun)

  source: webster1913