protagonist

As nouns the difference between exponent and protagonist

is that exponent is one who expounds, represents or advocates while protagonist is the main character in any story, such as a literary work or drama.

As nouns the difference between foil and protagonist

is that foil is a very thin sheet of metal or foil can be failure when on the point of attainment; defeat; frustration; miscarriage or foil can be (hunting) the track of an animal while protagonist is protagonist (main character in a literary work or drama).

As a verb foil

is to prevent (something) from being accomplished or foil can be (mathematics) to multiply two binomials together or foil can be (obsolete) to defile; to soil.

As nouns the difference between protagonist and proponent

is that protagonist is the main character in any story, such as a literary work or drama while proponent is one who supports something; an advocate.

As an adjective proponent is

making proposals; proposing.

As nouns the difference between mediator and protagonist

is that mediator is one who negotiates between parties seeking mutual agreement while protagonist is the main character in any story, such as a literary work or drama.

As nouns the difference between physician and protagonist

is that physician is a practitioner of physic, i.e. a specialist in internal medicine, especially as opposed to a surgeon; a practitioner who treats with medication rather than with surgery while protagonist is the main character in any story, such as a literary work or drama.

As a noun protagonist is

protagonist (main character in a literary work or drama).

As nouns the difference between protagonist and heroine

is that protagonist is the main character in any story, such as a literary work or drama while heroine is a female hero.

As nouns the difference between protagonist and instigator

is that protagonist is protagonist (main character in a literary work or drama) while instigator is a person who intentionally incites or starts something, especially one that starts trouble.

As nouns the difference between enemy and protagonist

is that enemy is someone who is hostile to, feels hatred towards, opposes the interests of, or intends injury to someone else while protagonist is protagonist (main character in a literary work or drama).

As an adjective enemy

is of, relating to, or belonging to an enemy.

As a noun protagonist is

protagonist (main character in a literary work or drama).