Hello Gladys Matuga,
For the time being to stop all sharing, you can review the steps at Stop sharing with people and apps with Safety Check on iPhone - Apple Support This walks you through a checklist to see what you're sharing and gives you the option to stop it.
- Go to Settings > Privacy & Security > Safety Check.
- Tap Manage Sharing & Access.
- Progress is saved as you go.
- Do one of the following to stop sharing information with other people:
- Tap People, select people in the list, review the information shared with people, then decide which information you want to stop sharing with selected people.
- Tap Information, select apps in the list, review the information shared with people, then decide which information you want to stop sharing with selected people.
5. Do one of the following to stop sharing information with other apps:
- Tap Apps, select apps in the list, review the information shared with them, then decide which information you want to stop sharing with the selected apps.
- Tap Information, select the information being shared in the list, review the information shared with apps, then decide which information you want to stop sharing with the selected apps.
6. Tap Continue, then do any of the following:
- Review and remove devices signed into your account.
- Review and update trusted phone numbers.
- Change your Apple ID password.
- Update your emergency contacts.
- Update your device passcode, or your Face ID or Touch ID information.
7. Click Done.
8. When you’ve finished, make sure you stopped certain sharing and reset specific settings. See Verify you’ve stopped sharing.
Important: Review the list of additional considerations when using Safety Check that isn’t directly managed by your iPhone or Apple ID.
Is the individual in question apart of a family sharing plan with you?
Thanks!