At the bottom of the page there is a link called "Report Abuse". There's a form you can fill out that will be reviewed by the chess.com staff.
P.S. It is considered improper to name cheaters or abusers in the forums. The reasoning is that it's unfair to accuse someone before the staff has had a chance to review the complaints
).
How can I report someone for using offensive language towards me and accusing me of "time cheating" (whatever that is) to the staff memebers of this website?