How do you delete someone on whatsapp?

To delete a contact on WhatsApp, first, you need to remove them from your phone's contact list. After deleting the contact from your phone, open WhatsApp, and the change should reflect automatically. If you want to delete the chat history with that contact, go to the chat, tap on the contact’s name at the top, and select "Delete Chat." Additionally, to block the contact, go to the chat, tap on the contact's name, scroll down, and choose "Block Contact."