Question

A senator, who has won two consecutive congressional elections a few years ago, is planning to run for a third term. in this scenario, it can be said that the senator is a(n)

Answer 1

in this scenario, it can be said that the senator is an incumbent
In political term, incumbent means someone that currently hold a specific position. Until a replacement won the votes, the current senator still has the right to use all the right of a senator even during the election process