I'm a member of a church
Click on the Message bubble at the top right of the page.
Click the plus icon at the top right of the sidebar that appears to start a new conversation.
Search for an admin of your network, and click on their name.
Explain the issue and provide a link to the inappropriate content in the text box at the bottom of the sidebar, and click Send.
The church admin will reply when they're available to help. This may include removing the inappropriate content.
I'm a church admin
Church admins have full control over content shared on their site, and can delete content at any time.