User (glossary)

Individual who or group that benefits from a system during its utilization. (ISO/IEC 2008)

Source

ISO/IEC. 2010. Systems and software engineering -- life cycle management -- part 2: Guide for the application of ISO/IEC 15288 (systems life cycle processes). Geneva, Switzerland: International Organization for Standardization (ISO)/International Electronical Commission (IEC), ISO/IEC DTR 24748-2.