stakeholder

/ˈsteɪkˌhəʊldər/ noun [C] ECONOMICS, MANAGEMENT,

Definition

› an employee, investor, customer, etc. who is involved in or buys from a business and has an interest in its success: Corporate executives need to think about the whole business and how it creates value for customers and stakeholders. The bill faces opposition from a number of key stakeholders, including the California Chamber of Commerce.

(Definition of stakeholder noun from the Cambridge Business English Dictionary © Cambridge University Press)