How can I delete someone on WhatsApp without blocking them?

The good news is it is totally possible to stop receiving somebody’s text on Whatsapp without blocking them.
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2. Mute their Messages
  1. Open Whatsapp and hold the contact who you’d like to mute for a few seconds.
  2. Select the mute icon located at the top.
  3. Click on the ideal duration for which you’d like to mute the messages.