Based on what you've written, there does not seem to be any legal recourse for your husband against his employer. The best and most direct course of action might be for your husband to speak to his direct supervisor about receiving assistance in his current position.
Scott S. Luzi
Walcheske & Luzi, LLC
This response is for general informational purposes only and does not constitute legal advice, create an attorney-client relationship, or necessarily reflect the most current legal developments.