Employment Law Questions? Ask an Employment Lawyer.
You have a right to pursue the appeal and get benefits.
You may separately consider pursuing a claim for defamation if he made false statements to others.
You may also consider a tortious interference claim with employment if he sought also to block you from securing another job through his conduct.
You may also have a lawyer reach out and seek to negotiate a severance.
If his motive was race, age or nationality, that too can be basis for a claim and leverage in discussion.
Kindly let me know if the answer is acceptable.
awaiting your reply.