The Israeli is fed up with his bit-part role for the Reds this season after starting just two of the last 10 games.
The midfielder, 28, blasted Benitez as he prepared to lead his country in tonights friendly against the Ivory Coast.
He rapped: The fact that Im not involved and always come on as a sub tells you something.
"Even if its Liverpool, if I dont get to play in the next few months I will not want to be here.
I enjoy my time in England but maybe it is time to learn a new language maybe Italian, French or Russian.
When I came here it wasnt so I could tell everyone Hey, I play for Liverpool.
My purpose was to prove myself and, in the first year, I think I did with 11 goals and 10 assists.
I understand that I am at one of the biggest clubs in the world and that this year there are better players.
After our win over Manchester United I lost my place. Everyone wants to play and it is no fun sitting on the bench or playing just a few minutes.
Im part of the rotation but I hope in the next few months it will change.
KRAZILY INSANE!