Then and when there will be a situation where you need (or want) to send a contact to someone. There are a lot of possibilities on how to do this, but best would be by message or e-Mail to prevent typing mistakes.

Android 10 | EMUI 10.0
Share contacts -  Open  Contacts
Share contacts -  Choose a contact
Share contacts -  Tap on  More
Share contacts -  Tap on  Share contact
Share contacts -  Choose  QR Code ,  vCard  or  Text
Share contacts -  Choose an  app  to share the contact with
  1. Open Contacts
  2. Choose a contact
  3. Tap on More
  4. Tap on Share contact
  5. Choose QR Code, vCard or Text
  6. Choose an app to share the contact with

Huawei Instructions