Noun
(video games) A character in video games who fights monsters and other creatures.
(video games) A role-playing video game character class that is able to control beasts or draw upon their aspects or powers.
A fierce wrestler.
Source: en.wiktionary.orgIt's that she's not Cordy, and what might have been fun to watch had we been let into the secret before the Beastmaster seduced Connor becomes the extended rape and death of a much-beloved character. Source: Internet
You are the Beastmaster, not they. Source: Internet