Final answer:
A Presbyterian is a member of the Protestant church that draws from the teachings of John Knox and is governed by presbyters or elders.
Step-by-step explanation:
A member of a Protestant church governed by presbyters (elders) and founded on the teachings of John Knox is a Presbyterian.
Presbyterians are part of a larger Protestant Christian tradition, which is a significant religious group in the United States. The Presbyterian Church is known for its representative form of church government, which is led by presbyters, or elders, and its roots can be traced back to the teachings of John Knox in Scotland.
As one of the mainline Protestant denominations, Presbyterians are numerous alongside other denominations such as the Episcopalians, Methodists, Lutherans, and others.