turn against

verb3

1. •
   To rebel or oppose to something formerly supported.

   • They turned against their leader.
2. •
   To use to the disadvantage or injury of.

   • His argument was turned against him.
   • They turned their arms against their former allies.
3. •
   To set against or in opposition to something.

   • She turned her umbrella against the wind.
   • She turned against the wind.