What is Corporate Social Responsibility? How can philanthropy add value to a company's shareholders? Stakeholders ?

Question:

What is Corporate Social Responsibility? How can philanthropy add value to a company's shareholders? ?
Stakeholders
A person, group or organization that has interest or concern in an organization. Stakeholders can affect or be affected by the organization's actions, objectives and policies. Some examples of key stakeholders are creditors, directors, employees,...