A Stakeholder is a person or a party who has some kind of interest in your product. The primary stakeholders fo a product are clients, customer, investors, senior management, employees etc.
To make your product a success, it is very important to manage the expectations and align the vision of the stakeholders. It often means a maintaining a balance between the demands and needs of the people and all done within the scope of possibilities.
MyProductHub has a roadmap module which helps you to create various roadmaps for various types of stakeholders. The idea module can be used to define the ideas and the stakeholders can easily keep themselves informed with the progress of the product.