throw someone under the bus
1
to deliberately sacrifice someone in order to get what you wantYou do realize they might cut a deal and throw you under the bus.
This meaning is based on one submitted to the Open Dictionary from United Kingdom on 20/11/2018 Synonyms and related words
To not help someone
desert
forsake
leave someone in the lurch
Synonyms and related words
To treat someone unfairly
prey on
discriminate
oppress