"I want to inspire other kids. Whether you're poor or not, you have to follow your dream," he told the Daily Telegraph.
Hoseah joined The Voice after his rendition of Ariana Grande's Almost is Never Enough prompted judge Boy George to turn his chair in a matter of seconds.
All three of the other judges quickly followed suit and the audience rose to give him a standing ovation.
He's now a firm favourite to win the show but Partsch is already a winner, telling the Telegraph he's already living his dream.
"I was flown to Sydney to audition and got to stay in an expensive hotel, getting free food. That is the dream for me."
