Possible Clues:

• Family name on "Bluey"
• Ward ___ (local politico)
• Blue ___ (herding dog)
• Ward --- (local politico)
• Blue ___ (breed of cattle dog)
• Cobbler, at times
• "He fetched him such a –– as gave him something else to think about" (Rolf Boldrewood, Robbery under Arms)
• 'The specialist demagogue, sustained by his gang and his --s, his spies and secret police' (The Shape of Things to Come, H. G. Wells)
• Obedient dog
• Type of cattle dog