Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
D
Users can be deactivated and reactivated using the User API. The following FusionAuth documentation outlines deactivation (or soft-delete) and reactivation:
Delete A User (soft-delete them, don't hard delete them)
Reactivate a User
HTH