The word is shill....

noun
1. an accomplice of a hawker, gambler, or swindler who acts as an enthusiastic customer to entice or encourage others.

verb
1. act or work as a shill.

It's pretty amusing to watch Summit's failings about Buster's Silverton methodologies, knowledge and habits.

He really has no fucking clue.

Only if they match their rental jackets.

During unguided I believe you can pay extra to be guided beyond the ropes.

The same that goes on at any other ski area with avy terrain, avy risk, control work, closed areas, ropes, signs, rules.

I've never skied there during unguided but I can imagine it can easily...