Australian billionaire-turned legislator中的turned是什么意思?

问题描述:

Australian billionaire-turned legislator中的turned是什么意思?
原文为:Australian billionaire-turned legislator Clive Palmer's TV rant against China has naturally met with strong condemnation from both China and Australia.Palmer's insulting remarks only lay himself bare as a man of low character and a politician with no sense of responsibility

澳大利亚亿万富翁变成立法者turned是变成的意思,正确