Select the option that can be used as a one-word substitute for the given phrase: A person who pretends to have more knowledge or skill than they actually possess.

Correct option is C

A charlatan is someone who falsely claims to possess knowledge or skill, often to deceive others for personal gain. This word directly refers to a pretender or fraud, which fits the given phrase.
Explanation of options: (a) ✘ Drifter – A person who moves from place to place without a fixed plan or purpose. (b) ✘ Wanderer – Someone who travels aimlessly, not a pretender of knowledge. (c) ✔ Charlatan – A fraud or impostor who pretends to have skills or knowledge they don’t. (d) ✘ Nihilist – A person who believes life is meaningless, unrelated to deception.