The crossword solution for the term 'PROVIDE A STAFF' is MAN, which is a three-letter word. The term 'provide a staff' is often used to refer to the hiring of personnel for a particular job or task. This could include hiring employees, contractors, or volunteers to help with a project or organization. In this context, the term 'MAN' is used to refer to any individual who is hired to provide a service or fulfill a role.