Please do not under any circumstances tell the person they are listed in UglyMugs.ie.
If contacted by a person listed in ugly mugs we suggest you read why the person was reported to UglyMugs.ie. This will enable you to evaluate for yourself whether this person is someone you wish to avoid.
Most sex workers feel the best thing to do if you want to avoid the person is politely decline to meet the person without letting on that anything is wrong. You can also add a comment to any existing ugly mug reports to alert other sex workers that the person is still active.