From Longman Dictionary of Contemporary Englishthe faithfulthe faithful[plural] a) SUPPORT A PERSON, GROUP, OR PLANthe people who are very loyal to a leader, political party etc and continue to support them Hess still has the support of the party faithful. b) RRBELIEVEthe people who believe in a religion church bells calling the faithful to evening prayer → faithful
Examples from the Corpus
the faithful• The progressive wing of the Church has encouraged the faithful to press for social reform.• Eighty percent of the party faithful will vote for whatever candidate we choose. 