Answer :
Final answer:
An essential person fulfills the basic needs of work and family. A software developer is in the quaternary economic sector. Education serves the needs of society according to functionalist theory.
Explanation:
Understanding Social Studies Concepts
The term that describes a person who fulfills the basic needs of their work and family is essential. This means that an essential person plays a fundamental role in maintaining the foundational aspects of their personal and professional lives.
In the context of economic sectors, a software developer would work in the quaternary sector, which includes information services and knowledge-oriented jobs. Reference groups are groups whose values influence individuals, which can serve as a standard for one's behavior. Functionalist theory posits that education serves the needs of society, as well as the individual and their family.