That's a decision of the court.
Only with the permission of the court
The existing court orders must be modified.
The obligor parent can request the support go directly to the child. see links below
yes
He was born in South Africa and then he moved to Canada
Yes because the law for both states say that your parents are responsible for you until the age of 21 even if you have moved out, relocated, and fund yourself.
Well if it's the opposing parent, i.e. the other parent who has visitation, then the custodial parent has to inform the court before they moved and visit that with the court, and if they didn't then the visitation parent should have issues with the court of the original jurisdiction.
Unclear of the intent of the question, but see related question.
It depends on the individuals concerned. The custodian can insist the other parent travels to them to visit the child. If the non-custodian wants to take the child out for the day - it's their responsibility to return the child to the place of residence, on or before the agreed time.
No, the court can bar a custodial parent from taking the child out of state away from the non-custodial parent, but cannot force the custodial parent to relocate to be closer to the NCP after they move.
Yes, the non-custodial parent must obey the child support order until it is modified or terminated by the court. If the child has moved out the NC parent can petition the court to have the child support order terminated. The court will review the case and render a decision.
It depends on what the child support documents indicate. Some parents split the cost 50/50, while for others the cost of vistitation lies on the shoulders of the parent who moved to another state.