Stumbler

n.

1.

One who stumbles.

Noun	1.	stumbler - a walker or runner who trips and almost falls Synonyms: tripper
	2.	stumbler - someone who makes mistakes because of incompetence Synonyms: blunderer, botcher, bumbler, bungler, fuckup, fumbler, sad sack, butcher

footer, pedestrian, stumble, trip, tripper, walker