Answer:
Pedestrian, cyclist or motorist.
Step-by-step explanation:
These three are the road users, depending on the vehicle they use to transport.
Pedestrians are those whom don't use any vehicle, just walking people. They face the risk of being run over by some other motorist user.
Cyclists carry the similar risk as pedestrians. And motorist's risks are regard to other motorists.
Risks for the road users mainly are due to other users responsibility of using in a proper way their space.