Final answer:
The correct answer is Option A) apostate. An apostate is someone who has renounced or abandoned their faith or religious beliefs.
Step-by-step explanation:
The correct answer to your question is Option A) apostate. An apostate is someone who has renounced or abandoned their faith or religious beliefs. In this case, the person left their faith due to being allergic to the individuals within the faith community. Although the term 'heretic' is often associated with going against official teachings of a belief system, it doesn't specifically address the reason for leaving the faith.