Complaint / Committee determined to take no further action on complaint / relationship property matters / complaint opposing lawyer failed to comply with agreements, made unsubstantiated allegations and attacks, did not respond to communications in a timely manner, was unprofessional and failed to correct a mistake / HELD / lawyers owe limited duties to non-clients / client’s decisions are not the lawyer’s / no evidence of professional standards concern / Committee’s decision confirmed / section 211(1)(a)