FACT: If you’re asked to do something that puts your health & safety at serious and imminent risk, YOU HAVE THE RIGHT TO SAY NO, without penalty to you (such as being sacked or facing other disciplinary action).
Guess what? Bullying is illegal - so don't put up with it. For help and support, contact your union (if you're a member) or the government WorkSafe authority in your state. Contact details can found here: http://www.safeworkaustralia.gov.au/sites/SWA
FACT: If your boss is paying you in cash then they might be breaking the law - and so might you. And you may not be protected if you're sick or if you're injured at work. So if you're paid in cash, make sure you get a payslip and that your employer is paying you correctly and taking out all your tax. Find out more here: http://www.fairwork.gov.au/employment/young-workers/pages/things-to-be-careful-of.aspx
The Department of Immigration and Citizenship has changed how it deals with visa breaches. Cancellations of student visas for breaches of your visa conditions are no longer automatic and mandatory. This means they will now consider the individual circumstances of the breach. More info here: http://www.immi.gov.au/students/students/cessation-auto-mandatory-sv-cancellations.htm