Nope
There is a "back-court violation" This happens when a back-court player or a Libero, jumps after the attack line to hit the ball or if a Libero spikes a ball that is over the height of the net.
Yes, as long as he/she takes off behind the 10-foot line, the libero is allowed to spike the ball.
No their job is purely defense
Libero De Libero was born on September 10, 1906, in Fondi, Lazio, Italy.
Libero De Libero died on July 4, 1981, in Rome, Lazio, Italy.
Libero Libero
Libero Luxardo was born in 1908.
Libero Luxardo died in 1980.
Libero Grande happened in 1997.
Libero Grande was created in 1997.
Libero Grassi was born in 1924.
Libero Marchini was born in 1914.