One who supervises or has charge and direction of

A program that controls the execution of other programs

The Keirsey Temperament Sorter is a self-assessed personality questionnaire designed to help people better understand themselves and others.

In computing, the superuser is a special user account used for system administration.

A doctoral advisor is a member of a university faculty whose role is to guide graduate students who are candidates for a doctorate, helping them select coursework, as well as shaping, refining and directing the students' choice of sub-discipline in which they will be examined or on which they will write a dissertation.