利益相关者。
The definition of a project stakeholder is anyone who is a direct user, indirect user, manager of users, senior manager, operations staff member, support (help desk) staff member, developers working on other systems that integrate or interact with the one under development, or maintenance professionals potentially affected by the development and/or deployment of a software project.
stakeholder的原始意思是“赌金保管人”。法语中对应stakeholder的词dépositaire也是类似“保管人”的意思。