The petitioner is the person who brings the action, or files a case against another party. If the petitioner (or his or her attorney) doesn't show up for court, the case will probably be dismissed, but depending on the circumstances, it's possible the person may be able to refile.
If you are the respondent, or the party the action was filed against, and you don't show up for court the judge may enter a default judgment against you, if appropriate. Generally speaking, you would probably lose.
Warrant for your arrest.
It is likely a warrant will be issued for arrest
Can you type english please?
If you show up in court and it is discovered that you have an open and un-served warrant out for you, you will be taken into custody, transported to the law enforcement agency and booked, and then returned to court for arraignment.
You run the risk of being arrested to show up over there, unless you presents a valid impeachment for not to appear at the Federal Court.
He will most definitely show up to court. You might get lucky with a traffic ticket, but not something as serious as a DUI. Unless something happens to him on the way to court he wont miss it.
the case is continued for another date
the parents of the minor can have a warrant out for their arrest
You may be arrested and/or fined. Or nothing. It depends on the reason for which you were subpoenaed, and how important it is to the court that you be there.
that depends on what country and what state your in i assume.
The court may enter a default order for support.
They send a US Marshall to "invite" you to attend.