Answer: diehards

AnswerCrossword Clue
DIEHARDSStubborn people.
diehardsperson who vigorously maintains or defends a seemingly hopeless position, outdated attitude, lost cause, or the like
diehardsresisting vigorously and stubbornly to the last; stubborn
diehardsDIEHARD, a stubborn person
diehardsperson who stubbornly resists change
DIEHARDSVigorous defenders
DIEHARDSStick-to-it-ive types
DIEHARDSIrreconcilables
DIEHARDSOld liners
DIEHARDSExtreme conservatives
DIEHARDSOld-line types
DIEHARDSStubborn ones.
DIEHARDSStandpatters.
DIEHARDSObstinate opponents.
DIEHARDSTough old conservatives.
DIEHARDSBitterenders
DIEHARDSThey're stubborn to the end
DIEHARDSThey never give up
DIEHARDSZealots
DIEHARDSHardly fair-weather friends