What does the term incumbent describe?

The term "incumbent" primarily refers to someone currently holding a specified office or position, particularly in the context of politics or organizational roles. This usage is foundational, as it denotes an individual who is in active duty within their office at the time, often contrasted with challengers in elections or other appointments.

While "incumbent" can imply a sense of obligation to fulfill the duties of the position, as it is understood that those holding such roles have responsibilities that come with the title, this interpretation extends from the primary meaning rather than serving as a standalone definition. Therefore, while both aspects may overlap in understanding the term, the core definition focuses on the individual's current role in office.

Thus, the answer is fitting because it embraces both the primary definition of someone currently serving in an office and the broader implication of being required to fulfill duties associated with that office.