It’s a good practice to have a section where we can leave message to some players like “Good trader”, or something like this, to make it easy to identify a scammer.
You can mark them as a scammer using mreyeball. I don’t know what the command is, but I’m sure that someone else can help with that.
you can just click the arrow next to the magnifying glass, click the help tab, then onto mr eyeball.
just look for the following commands: “the tag message” “the untag message” “the scammer message”