You will need the Full Write People permission to delete a person. You need it at every campus on that person's profile.
Deleting a person's profile permanently removes the person and their data from One Church Software. This action cannot be undone, so only delete profiles for people who truly have no involvement with your church and whose data can be completely removed. If you simply want to make a profile read-only and keep their record on file, archive them instead (see How do I archive a person?).
Who can delete a person
If the person belongs to one or more campuses, you need Full Write People at every one of them. Holding it at just one is not enough.
If the person belongs to whole organizations, you need it at every active campus of each of those organizations.
If the person has No Campus, only someone with no campus limit, who holds Full Write People at every campus with no campus override taking it away, can delete them.
You can never delete yourself, and only a Super User can delete a Super User.
Tip: Archiving is easier than deleting. Archiving needs Profile Deactivate at just one of the person's campuses, so you may be able to archive someone you cannot delete. How do I archive a person? walks through it.
Find the person
Use the top search bar in the upper-right of the screen to search by name. Or, go to Contacts in the left-hand menu, click Filter and enter the person's name.
Delete the person
Click the person's name in the results to open their profile.
In the upper-right corner of the profile, click Actions and select Delete.
A confirmation dialog appears. If the person is part of a family, you can tick Delete family? to remove every member of their primary family along with this profile. Family members outside your access are not deleted.
Review the dialog carefully, then confirm.
Deleting several people at once
When you tick rows and delete, one person you cannot delete refuses the whole selection, and a message tells you why.
When you use Select all, people you cannot delete are skipped and counted.
Deleting from a query also needs the Reporting permission, which is account-wide, and the same every-campus rule applies to each person.
Helpful tips
There must always be at least one Super User, so the last Super User cannot be deleted.
When you delete a Super User, their saved queries, email templates and resource requests are reassigned to the Super User who deletes them.