For it is we who are the circumcision, we who serve God by his Spirit, who boast in Christ Jesus, and who put no confidence in the flesh — though I myself have reasons for such confidence ... But whatever were gains [κέρδη] to me I now consider loss for the sake of Christ. What is more, I consider everything a loss because of the surpassing worth of knowing [ὑπερέχω ὁ γνῶσις] Christ Jesus my Lord, for whose sake I have lost all things. I consider them garbage, that I may gain Christ [Χριστός κερδαίνω] and be found in him, not having a righteousness of my own that comes from the law, but that which is through faith in Christ—the righteousness that comes from God on the basis of faith. [Phil 3:7 - 9]
Clearly the heretics talked about 'gaining Christ' (Χριστός κερδαίνω) and the being was personified as a heretic.
dating back to conversations with his grandfather, Gaston Frank. "He said we represent one of the last descendants of the Frankist Jewish faith in the world," he muses. "I grew up thinking that our family was something like the Last of the Mohicans."