You can write to contact@easylanguageexchange.com
if you encounter a problem.
Include the link to the profile
and copy the text or take a screen shot of whatever was sent/said to you
and send it with your email- with a warning if anything is graphic.
Go into the common room and warn others.
and tell them to do the same if bothered.
If nothing happens right away, write again.
Someone usually responds in a day or two.