It means “friend of the court”. The person is not a party to the case in any manner. His sole purpose is to assist the court by providing substantial information or insight for the smooth disposal of the case.
Bias is a term which goes appropriately with the legal language and is known to everyone belonging to a legal background.
The power to legislate on a subject also includes the power to legislate on ancillary matters that are reasonably connected to that subject.
This is a doctrine in the law of tort where a court infers negligence from the nature of the accident or the injury in absence of any direct evidence on how the defendant behaved.
