heckler (n.)youdaoicibaDictYouDict[heckler 词源字典]
agent noun from heckle (v.); mid-15c., from late 13c., as a surname (Will. le Hekelere). Modern sense of "one from the audience who taunts a public speaker" is from 1885. Fem. form hekelstere is attested from c. 1500.[heckler etymology, heckler origin, 英语词源]