Infidelize

Example:After years of debate, she deconverted from her childhood faith.

Definition:To bring (someone) to abandon a religion or belief, especially by convincing them that it is false or harmful.

Example:The committee tried to dissuade the community from adopting infidelizing beliefs.

Definition:To discourage someone (usually from doing something; sometimes from believing something).

Example:He aimed to weaken the church's influence by infidelizing the congregants.

Definition:To lessen the strength; to diminish the integrity or cohesion of something, such as a belief or theory.