heckler is a form of:

Heckle



Same as: hackle
verb
1.
(TRANSITIVE) (to harass) ឆាឆៅ, សួរអោយខឹង, ទាស់, ធុញទ្រាន់, កង្វល់
Example: The conservative candidate was' heckled continuously.
ENGLISH MEANING
verb
1.
(TRANSITIVE) To interrogate, or ply with questions, esp. with severity or antagonism, as a candidate for the ministry.
1.
badger, bait, bother, harass, poster, ridicule, tease, torment