Rule B1.4: The interests of the client
1.4.1 You must act in the best interests of your clients subject to preserving your independence and complying with the law, these rules and the principles of good professional conduct.
1.4.2 You must not permit your own personal interests or those of the legal profession in general to influence your advice to or actings on behalf of clients.
1.4.3 You must at all times do, and be seen to do, your best for your client and must be fearless in defending your client's interests, regardless of the consequences to yourself (including, if necessary, incurring the displeasure of the bench). But you must also remember that your client's best interests require you to give honest advice however unwelcome that advice may be to the client and that your duty to your client is only one of several duties which you must strive to reconcile.