Any disruption caused in the proceeding of the session of the court whether by loud voice, ill-mannered behaviour etc can be brought under the purview of the contempt of the court.
This is an inquiry to determine whether a party has breached that necessary amount of duty of care.
Person who files a caveat
The doctrine of terra nullius is observed under international law, justifying the position of a state after they occupy land which comes under the dimensions of the principle of terra nullius.