Term: boarder
Example: there goes a boarder now you can tell because he has some sort of board like device with him/her and the intention to ride it on some gnarly terrain
Definition: a person that participates in snowboarding, wakeboarding, skateboarding, windsurfing, longboarding, freeboarding, surfing, wakeskating, wakesurfing, skimboarding, kitesurfing, flowriding or any sport that shares similar traits as those listed above