FIREnatic - A person filled with excessive and single-minded zeal, especially for financial independence leading towards early retirement.
SWRealot - a person who is fanatical and uncompromising in treating rules of thumb like the 4% “safe” withdrawal rate as gospel.
Minimaless - a person who relentlessly one-ups the practice of minimalism exhibited by others.
FIREocrit - a blogger who pretends to have virtues, moral or religious beliefs, principles, etc., that they do not actually possess, such as:
(1) expounding the virtues of safe withdrawal rules and frugality while simultaneously living off affiliate commission earnings and side hustle income;
(2) providing baseless advice to others on how to achieve financial independence, become debt free, or enjoy a fulfilling retirement when they themselves have achieved none of the above.