(1) engaging in any act or practice in a professional capacity which the licensee is not competent to perform through training or experience;
(2) failing to refer a client to other competent professionals when the licensee is unable or unwilling to adequately support or serve the client;
(3) failing to maintain the confidentiality of any information received from a client, unless released by the client or otherwise authorized or required by law; and
(4) exploiting a client for personal advantage, profit, or interest.