The guy is either a member of a pioneer or storm trooper unit....
Don,t know the guys name tho.... Its not Hitler....
You missed the standard Polish uniform....
Could be Polish soldier from 1918. Or from defense of Lwów?
Almost. It is a reconstruction of 5th regiment of Cavalry Shooters, from Tarnow region, created in 1919
See more pics on Tarnow region subsite
which is on Krakow region main site