أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
Bring the issue to the HR department and ensure that its documented, if it continues take legal actions.
this is personal issues,you should write complain to his manager and describe all facts and also try to mention the witness.
Chase him from the organisation ( Evil should be eradicated)
"Discipline and freedom are not mutually exclusive, but mutually dependent because without discipline we would sink into chaos". by Paulo Coelho
So handle your bad boss by discipline