The term 'JANITOR's Need' can be broken down into three crossword solutions: KEYS (4 letters), MOP (3 letters), and MASTERKEY (9 letters). A JANITOR is a person who is responsible for the cleaning and maintenance of a building. Therefore, the solutions to this term refer to items that are necessary for a JANITOR to do their job. KEYS refer to the keys that a JANITOR needs to access different areas of the building. MOP refers to the cleaning tool used to clean floors. Lastly, MASTERKEY refers to a key that can open any lock in the building.