__-Rouser, an Agitator or Troublemaker
Puzzle 15 of All Things Ice Cream Easy Pack
Question is: __-Rouser, an Agitator or Troublemaker
and the answer is: RABBLE
Word Meaning:
RABBLE — (intransitive) To speak in a confused manner; talk incoherently; utter nonsense
Definitions from Wiktionary.