1) Orator 2) Public speaker 3) Rhetorician 4) Speechifier 5) Speechmaker 
• (n.) One who harangues, or is fond of haranguing; a declaimer.
Ha·rang'uer (hȧ*răng'ẽr) noun One who harangues, or is fond of haranguing; a declaimer. « With them join'd all th' haranguers of the throng, That thought to get preferment by the tongue.» Dryden. 
[n] - a public speaker who delivers a loud or forceful or angry speech