You can always tip one and not the other guy in the 3some.
That's the reason why I know escorts who simply say "I'm not a masseur, I'm an escort". Massage is a lot of work and half the pay or sometimes even less.
He could contact the webmaster and ask how to do it or he could click on the 📷icon in the far right below his main pic, take a picture of himself with a note saying his name and date, and send it to the webmaster.