Or one who will heckle you relentlessly when you can’t do a move.
This would be me.
It was actually my mate who I met bouldering that got me into mountain biking, so there you go. At my local wall its just a case of rock up, watch an induction video, sign your life away…and crack on, as others have said its a great social environment, basically its a big playground, where you can jump around like an idiot. Great when the weather is sucking and can’t face biking.
Get yourself along, its addictive fun and amazing how quick you will progress when the technique start to come..its exercise that doesnt seem like it.