There are multiple definitions - click on the translation that matches your context.

interessent

substantiv (flertall)

full

stakeholder

noun

Definitions of stakeholder

English

a person or entity that has an interest in the activities of a business, either because of their relationship with the business itself (eg employees) or because they have an interest in the consequences of the business's activities (eg someone living in an economy or area directly affected by the running of the business)

The board of directors will meet with stakeholder groups directly affected by decisions to be taken at the next AGM.

English

a person or entity that owns a share in a company

This follows a decision by the board to decide against a proposed rights issue put forward by the club's second biggest stakeholder, Alisher Usmanov.