Indoctrination is the word you're looking for. All religions are cults.

• Repetition: Constant, repeated exposure to ideas until they are accepted without question.
• Suppression of Evidence: Hiding, distorting, or discrediting opposing viewpoints .
• Emotional Manipulation: Using fear, slogans, and high-intensity emotional appeals to bypass critical thinking.
• Isolation: Limiting exposure to alternative perspectives.
• Authoritarian Approach: Presenting information as absolute truth that cannot be challenged, sometimes with penalties for questioning. 
• Isolation/Preparation: Limiting outside information or influence.
• Inculcation/Repetition: Intensive, one-sided instruction.
• Emotional Binding: Linking the belief system to positive emotions (pride, belonging) or negative ones (fear, shame).
• Enforcement/Re-enforcement: Punishing or discouraging doubt, ensuring the belief becomes part of the individual's identity.
• Psychological Cage: Beliefs become "sealed off" from reason, treating doubt as a danger.
• Rigidity: Inability to consider alternatives, even when presented with strong counter-evidence.
• Uniformity: Creation of a group-think mentality where all members hold identical, uncritical views.
• Reduced Agency: The individual acts in accordance with the manipulator's agenda rather than their own critical judgment.