A pedestrian.
A passerby
this person is called a pedestrian
An insomniac
Such a person is known as a cobbler.
Left foot, right foot, repeat until you have reached your destination
1. Call an ambulance2. Call the police and bring charges against that person.
They did walk on foot. How else would they walk?
push over
The person who treats foot complaints is a Podiatrist
On foot I think :)
Assertive
Being flat-footed means that your entire arch on the bottom of your feet collapses (touches the ground when you walk). A normal foot has an arch, and a high-arched foot has a very large arch when you walk.