ranter (n.)

• blatherskite
• bluff
• bluffer
• blusterer
• braggart
• bravo
• bully
• bullyboy
• canter
• debater
• demagogue
• dissembler
• dissimulator
• haranguer
• hector
• hypocrite
• panelist
• pharisee
• poser
• rabble-rouser
• raver
• religionist
• roisterer
• sniveler
• snuffler
• speaker
• speechifier
• speechmaker
• spokesman
• spokeswoman
• spouter
• swaggerer
• swashbuckler
• talker
• tub-thumper