A quote from Liz Truss, the shortest-serving prime minister of the United Kingdom, a day before she resigned. Used to claim that you will not give up (but you will actually quit a short while later, as expected).
Alex: I’m gonna finish my Englishessay. After all, I am a fighter and not a quitter!
Alex, one hour and two drafts later: I am resigning.
Someone who is addicted to obtaining money and building wealth. A money addict and fanatic. Breadheads often work more than one full-time job, and some even participate in illicit activities to "obtain the bread".