1) Betrayer 2) Blabber 3) Cousin of a stool pigeon 4) Domestic swine 5) Informant 6) Informer 7) Slang for an informer 8) Snitch 9) Source Found on https://www.crosswordclues.com/clue/squealer
[Animal Farm] Squealer is a fictional pig from George Orwell`s Animal Farm. He is described in the book to be an effective and very convincing orator. == Allusion == Throughout the novel Squealer is highly skilled at making speeches to the animals. He is also one of the leaders of the farm. Under the rule of Napoleon, Squealer does things t... Found on http://en.wikipedia.org/wiki/Squealer_(Animal_Farm)
Squeal'er noun 1. One who, or that which, squeals. 2. (Zoology) (a) The European swift. (b) The harlequin duck. (c) The American golden plover. Found on http://www.encyclo.co.uk/webster/S/178