Faust was a Human character of old Earth legend, an individual who sold his soul to the Devil.
James T. Kirk recalled the legend of Faust dicing with the Devil and the movie The Seventh Seal while waiting to play tennis over "the fate of the Federation." (TOS novel: Strangers from the Sky)
Jaza Najem did not know the origin of the term "Faustian bargain." (TTN novel: Sword of Damocles
Berlioz wrote an opera about Faust. (VOY episode: "Barge of the Dead")