Open WhatsApp
Go to the chat with the person you want to block
Tap the contact name at the top
Scroll down and tap Block Contact
Tap Block to confirm
Open WhatsApp
Tap the contact’s chat
Tap the contact name at the top
Tap Block Contact
Confirm by tapping Block
Open WhatsApp
Go to Settings
Tap Privacy
Tap Blocked contacts
Tap Add blocked contact
Select the contact you want to block
Open the call from the person you want to block
Tap the contact name or number
Tap Block
Confirm by tapping Block
Open WhatsApp
Go to the Calls tab
Find the contact
Open their profile or chat
Tap Block Contact
Confirm the block