Stumbler in a sentence as a noun

Very nice bit of work but what is a wireless stumbler?

Won't see that on a wifi stumbler, but it's certainly compliant.

But as I implied elsewhere, the biggest stumbler for Rails on Windows has always been the lack of a compiler.

The stumbler reports Wi-Fi and cell tower locations and an optional nickname.

A stumbler user's identity or location could be revealed by tracing routes from published GPS data or maps.

Geolocation is a very sensitive privacy issue for "stumbler" users, WiFi access point owners, and end users.

Stumbler definitions

noun

a walker or runner who trips and almost falls

See also: tripper

noun

someone who makes mistakes because of incompetence

See also: bungler blunderer fumbler bumbler botcher butcher fuckup