Complaint / Committee declined to take further action on complaints / complaint of unsubstantiated allegation / threat / Lawyers and Conveyancers Act (Lawyers: Conduct and Client Care) Rules 2008 rule 2.1 / rule 12 / rule 13.8 / courtesy / attacking reputation without cause / HELD / respondent not acting for applicant / threat made for proper purpose / Committee’s decision confirmed / section 211(1)(a)