Not qualified, but do have a question: The word "cofounder" here is used to describe what, exactly? If the company exists already, and is providing service, my

Not qualified, but do have a question: The word "cofounder" here is used to describe what, exactly? If the company exists already, and is providing service, my "layperson" definition of "cofounder" would be hard to meet, considering the company is already "founded".