role

noun:the function or position someone or something has in a particular situation
- Strong leadership plays a vital role in change management.
noun:a part or character played by an actor or performer
- She won the lead role in the film.
noun:the expected behavior patterns associated with a particular social status or identity
- Teachers are expected to fulfill the role of mentors as well as instructors.
noun:a set of permissions or responsibilities assigned to a user account or process in computing
- Only admin role has edit access to the content.
noun:a job title or position within an organization
- He moved into a senior role after the promotion.