As nouns the difference between shambler and scambler
is that shambler is one who shambles while scambler is one who scambles.
shambler
English
Noun
(
en noun)
One who shambles.
* 1867 , James Abbott, Narrative of a journey from Heraut to Khiva, Moscow, and St. Petersburgh
- But the dance should not be a slovenly crowd of indifferent and ungraceful shamblers ...
scambler
English
Noun
(
en noun)
One who scambles.
(Scotland) A bold intruder upon the hospitality of others; a mealtime visitor.
(
webster)