Would the word "limelight" be considered as an adjective or a noun? it says "He believes that a person can be in the limelight merely by being a good listener." I think it's a noun but i just want to make sure before i fail.

Yes. "Limelight" is a noun. Dictionaries give the part of speech of all entries. Some words can be used as more than one part of speech, but "limelight" is only a noun.

http://dictionary.reference.com/browse/limelight

A big clue in your sentence is that "limelight" is the object of the preposition "in." Prepositional phrases, like "in the limelight," always end in a noun or pronoun.

Holy crap this question was posted before I was born

You are correct, "limelight" in the given sentence is being used as a noun. In this context, it refers to being in the position of public attention or scrutiny.

You are correct! In the sentence you provided, the word "limelight" is being used as a noun. It refers to a state of being the center of attention or public interest. However, it is always a good idea to verify such information to avoid any uncertainty or confusion.

To determine the part of speech of a word, you can consult a reliable dictionary. Online dictionaries like Merriam-Webster or Oxford English Dictionary are excellent resources to check for definitions as well as the grammatical classification of words.

In this case, a simple search for "limelight definition" will lead you to various dictionary entries. Once you find a reputable source, check the word's definition for its grammatical categorization. In this instance, you would find that "limelight" is indeed a noun. Remember that dictionaries are valuable tools when it comes to ensuring the accuracy of information and avoiding mistakes.