types:
bracero
a Mexican laborer who worked in the United States on farms and railroads in order to ease labor shortages during World War II
cleaner
someone whose job involves tidying and removing dirt or filth
gravedigger
a person who earns a living by digging graves
porter
a person employed to carry luggage and supplies
sawyer
one who is employed to saw wood
sprayer
a worker who applies spray to a surface
stacker
a laborer who builds up a stack or pile
steeplejack
someone who builds or maintains very tall structures
fireman,
stoker
a laborer who tends fires (as on a coal-fired train or steamship)
woodcutter
cuts down trees and chops wood as a job
wrecker
someone who demolishes or dismantles buildings as a job
yardman
a laborer hired to do outdoor work (such as mowing lawns)
knacker
someone who buys old buildings or ships and breaks them up to recover the materials in them
peasant
one of a (chiefly European) class of agricultural laborers
placer miner
a miner who extracts minerals from a placer by washing or dredging
prospector
someone who explores an area for mineral deposits
redcap
a porter who helps passengers with their baggage at a railroad station
scorer
a logger who marks trees to be felled
scourer
someone who cleanses by scouring
skycap
a porter who helps passengers with their baggage at an airport
swagger,
swaggie,
swagman
an itinerant Australian laborer who carries his personal belongings in a bundle as he travels around in search of work
tinker
formerly a person (traditionally a Gypsy) who traveled from place to place mending pots and kettles and other metal utensils as a way to earn a living