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"El cazador" is a form of "cazador", a noun which is often translated as "hunter". "Blancanieves" is a proper noun which is often translated as "Snow White". Learn more about the difference between "Blancanieves" and "el cazador" below.
A proper noun refers to the name of a person, place, or thing.
a. Snow White
Blancanieves se hizo amiga de los siete enanitos.Snow White became friends with the seven dwarfs.
This means that the noun can be masculine or feminine, depending on the gender of the noun it refers to (e.g., el doctor, la doctora).