Actor with concrete, physical manifestations, such as a human individual. We use the term agent instead of person for generality, so that it can be used to refer to human as well as artificial (hardware/software agents). An agent has dependencies that apply regardless of what roles he/she/it happens to be playing. These characteristics are typically not easily transferable to other individuals, e.g. its skills and experiences, and its physical limitations.
For questions regarding i* syntax please click on the "discuss" tab. This feature is available for registered users only. For registration information please see the Registration and User Rights Policy for the i* Wiki.