How to report a Google+ post
You must be logged into a Google account to report any items.
Move the cursor over the post to reveal a chevron (v shape) at the top right of the post
Click the chevron to reveal the post options, then click Report this post
Specify what you are reporting; in this case Something else
Click what is wrong with this post; in this case It's hateful, harassing, or bullying
Select how it is hateful; in this case Hateful towards a group
The post has now been reported