iscariotic
/ˌɪskəˈroʊtɪk/Definitions
1. adjective
relating to or characteristic of Judas Iscariot, the apostle who betrayed Jesus; treacherous or deceitful.
“The politician’s iscariotic behavior cost him the support of his constituents.”
2. noun
a person who betrays trust or is treacherous.
“The company’s iscariotic employee was fired after embezzling funds.”