The crossword solution for the term TO PARTNER is FRO, which stands for 'Fiduciary Responsibility Officer'. This is a job title that is used in the financial services industry. A Fiduciary Responsibility Officer is responsible for ensuring that the company adheres to all fiduciary regulations and standards. They are also responsible for monitoring the company's investments and providing advice on how to best manage them. The Fiduciary Responsibility Officer is an important role in the financial services industry as they help ensure that the company is compliant with all laws and regulations.