You should ask for a secret code from the organization admin to join an organization.
In your personal settings in "Organization" section you enter that code and then press Join. Now can edit your articles and publish it under organization (press Edit article, at the top you will see select drop-down, select org, press Save). Voila! Seems like admin should approve it
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
Seems like we can but it works a bit differently: