Depending on your privacy configuration, your profile photo and name may be visible to anyone you chat with on WhatsApp. To set your profile photo and name:
If you block a contact, that person will not see any updates to your profile picture.
The status feature in WhatsApp is a real time indication of what you are doing so that you can keep up to date with your contacts. To set your status:
Learn how to set up your profile and status on: iPhone | Windows Phone | Nokia S40 | BlackBerry | Nokia S60 | BlackBerry 10
Cheers,
WhatsApp Support Team