Someone angling for a position of leadership within a school, often referred to as Prefect. A blue tie hunter will often partake in activities solely for the purpose of being seen as "contributing to the life of school" and racking mad popularity with the teachers. The phrase arises from the blue tie awarded to prefects in a particular Sydney school.
"Mate, you know that guy's doing cadets, the musical, rowing, rugby, choir, band, debating, swimming and athletics."
"Yeah mate, he's a blue tie hunter for sure."
Someone who is addicted to obtaining money and building wealth. A money addict and fanatic. Breadheads often work more than one full-time job, and some even participate in illicit activities to "obtain the bread".