What job did J.K Rowling have before becoming a top writer?

jo Rowling did not have a job, she was on bennafits and lived in a 1 bedroom flat near london with a child her previous husband left her. many other publishers turned her down until she got exepted by blummsbury publishing p.l.c BY the way i have a question for you do you know how i can contact her threw mail such as e-mail post codes ect. :]