Failure to engage with client / failure to deal with conflict of interest appropriately / long term business visa / complainant (client) purchaser of a business / adviser did not deal directly with complainant / adviser relied on vendor of business to be an intermediary / information provided in business proposal inaccurate / adviser sent emotional text to complainant after complaint made / Immigration Advisers Licensing Act 2007, s442 / Code of Conduct 2014, cl1, cl2, cl3, cl6 / clear conflict of interest but no breach of cl6 / vendor an agent but not a client / adviser accepted instructions from conflicted intermediary but lack of due care & professionalism not part of complaint so no breach / lack of engagement with client cannot be excused by client consent / obligation to engage with client cannot be waived / adviser’s key failure accepting an intermediary & not personally engaging with complainant / text unprofessional but did not cross disciplinary threshold / complaint upheld.