Final answer:
Shyloh, who works independently, aligns with the definition of an individual performer, a person who executes tasks on their own within an organization.
Step-by-step explanation:
Shyloh, who gets things done mostly through her own efforts and relies on herself rather than others, can best be described as a individual performer. This term refers to a person who independently completes tasks and projects without significant reliance on a team or group. It contrasts with various management positions, where the focus is more on leading teams and departments to achieve organizational goals.