You choose with whom you want to share your relations and how much other will see.
Step 1: Open the relations list
Open the relations list. Next, click on the “three dots” icon in the top right corner and choose the “share” option.

Click on the “share” option
Step 2: Choose person with whom you want to share the list

Choose person
Notice: The person with whom you share the relation list will not see any relation on this list until you share it with him/ her. Additionally, as an admin of this list, you can see all relations created by this person.
Read how you can share the relations list from default