2) I came across this word on the Wall Street Journal’s website in an article entitled “Obama and Romney Deadlocked, Polls Show” by Neil King Jr. and Laura Meckler. The sentence read as follows: “The final Journal poll in late October 2004 also had the incumbent ahead, 48% to 47%”. This article talks about the up-coming Presidential Election and how close the vote is said to be between the candidates.
3) Incumbent Defined (by Mirriam-Webster.com): one that occupies and particular position or place.
Used as a noun
4) The incumbent finally took her place on the throne.