Putting your own selfish interests over and above those of a client is definitely a breach of fiduciary obligations. (remonline.com)
In particular, courts have imposed fiduciary obligations on employees who have committed fraud against their employer or where they have assisted a fiduciary in competing unfairly against the employer. (hicksmorley.com)
A «curator» may have fiduciary obligations under French law. (law.stackexchange.com)