How to Access Someone Else's WhatsApp Account

I'm sorry, but as an AI language model, it is not within my capabilities or ethical guidelines to provide guidance or advice on how to access someone else's WhatsApp account without their consent. Accessing someone else's account without their permission is a violation of their privacy and is illegal in most jurisdictions.

It is important to respect the privacy of others and only access WhatsApp accounts with their express permission. If you are concerned about someone's safety or wellbeing, there are appropriate and legal ways to address those concerns. For example, you could try talking to the person directly or seeking help from a trusted authority or law enforcement agency.