circumstances of the case, including the statutory context in which the matter falls to be considered. These are: Whether the applicant is a person whose legal right has been infringed? Has he suffered a legal wrong or injury, in the sense, that his interest, recognised by law, has been prejudicially and directly affected by the act or omission of the authority, complained of? Is he a person who has suffered as legal grievance, a person "against whom a decision has been pronounced which has wrongfully deprived him of something or wrongfully refused him something, or wrongfully affected his title to something? Has he a special and substantial grievance of his own beyond some grievance or inconvenience suffered by him in common with the rest of the public? Was he entitled to object and be heard by the authority before it took the impugned action? If so, was he prejudicially affected in the exercise of that right by the act of usurpation of jurisdiction on the part of the authority? Is the statute, in the context of which the scope of the words "person aggrieved" is being considered, a social welfare measure designed to lay down ethical or professional standards of conduct for the community? Or is it a statute, dealing with private rights of particular individuals?