1) Agricultural worker 2) Banana republic worker 3) Barely paid labor 4) Calcutta cop 5) Cog, so to speak 6) Common laborer 7) Day laborer 8) Dogsbody, so to speak 9) Drudge 10) Drudge of old 11) Exploited field worker 12) Exploited laborer 13) Exploited worker 14) Feudal serf 15) Field worker 16) Fiesta lover 1) Cog 2) Drudge 3) Laborer 4) Navvy 5) Serf 6) Toiler 
• (n.) A day laborer; a servant; especially, in some of the Spanish American countries, debtor held by his creditor in a form of qualified servitude, to work out a debt. • (n.) See Poon. • (n.) A foot soldier; a policeman; also, an office attendant; a messenger. • (n.) See 2d Pawn.
Pe'on noun See Poon . 
peon Someone who does boring menial tasks; a laborer who is obliged to do menial work. From early 17th century via Spanish peón, Portuguese peão, 'foot soldier' from medieval Latin pedon- which is from Latin ped-, 'foot'.
[Intelligent words] a laborer who is obliged to do menial work a laborer who is obliged to do menial work