A person who is owned by someone.

Roget 746: subject, liegeman^†; servant, retainer, follower, henchman, servitor, domestic, menial, help, lady help, employe, attache; official.    retinue, suite, cortege, staff, court.    attendant, squire, usher, page, donzel^†, footboy^†; train bearer, cup bearer; waiter, lapster^†, butler, livery servant, lackey, footman, flunky, flunkey, valet, valet de chambre [Fr.]; equerry, groom; jockey, hostler, ostler^†, tiger, orderly, messenger, cad, gillie^†, herdsman, swineherd; barkeeper, bartender; bell boy, boots, boy, counterjumper^†; khansamah^†, khansaman^†; khitmutgar^†; yardman.    bailiff, castellan^†, seneschal, chamberlain, major-domo^†, groom of the chambers.    secretary; under secretary, assistant secretary; clerk; subsidiary; agent etc. 758; subaltern; underling, understrapper; man.    maid, maidservant; handmaid; confidente [Fr.], lady's maid, abigail, soubrette; amah^†, biddy, nurse, bonne [Fr.], ayah^†; nursemaid, nursery maid, house maid, parlor maid, waiting maid, chamber maid, kitchen maid, scullery maid; femme de chambre [Fr.], femme fille [Fr.]; camarista^†; chef de cuisine, cordon bleu [Fr.], cook, scullion, Cinderella; potwalloper^†; maid of all work, servant of all work; laundress, bedmaker^†; journeyman, charwoman etc. (worker) 690; bearer, chokra^†, gyp (Cambridge), hamal^†, scout (Oxford). serf, vassal, slave, negro, helot; bondsman, bondswoman^†; bondslave^†; ame damnee [Fr.], odalisque, ryot^†, adscriptus gleboe [Lat.]; villian^†, villein; beadsman^†, bedesman^†; sizar^†; pensioner, pensionary^†; client; dependant, dependent; hanger on, satellite; parasite etc. (servility) 886; led captain; protege [Fr.], ward, hireling, mercenary, puppet, tool, creature.    badge of slavery; bonds etc. 752.    ... show more

Roget 886: servility; slavery etc. (subjection) 749; obsequiousness etc. adj.; subserviency; abasement; prostration, prosternation^†; genuflection etc. (worship) 990; fawning etc. v.; tuft-hunting, timeserving^†, flunkeyism^†; sycophancy etc. (flattery) 933; humility etc. 879.    sycophant, parasite; toad, toady, toad-eater; tufthunter^†; snob, flunky, flunkey, yes-man, lapdog, spaniel, lickspittle, smell-feast, Graeculus esuriens [Lat.], hanger on, cavaliere servente [It], led captain, carpet knight; timeserver, fortune hunter, Vicar of Bray, Sir-Pertinax, Max Sycophant, pickthank^†; flatterer etc. 935; doer of dirty work; ame damnee [Fr.], tool; reptile; slave etc. (servant) 746; courtier; beat [Slang], dead beat [Slang], doughface [U.S.], heeler [U.S.], homme de cour [Fr.], sponger, sucker [Slang], tagtail^†, truckler.    ... show more

Dutch: heloot, lijfeigene, slaaf, slavin
Polish: rab, niewolnik

Someone who works as hard as a slave.

synonyms: hard worker, striver.

Polish: murzyn

Someone entirely dominated by some influence or person.

Work very hard, like a slave.

synonyms: break one's back, buckle down, knuckle down.

Roget 686: exert oneself; exert one's energies, tax one's energies; use exertion.    labor, work, toil, moil, sweat, fag, drudge, slave, drag a lengthened chain, wade through, strive, stretch a long arm; pull, tug, ply; ply the oar, tug at the oar; do the work; take the laboring oar bestir oneself (be active) 682; take trouble, trouble oneself.    work hard; rough it; put forth one's strength, put forth a strong arm; fall to work, bend the bow; buckle to, set one's shoulder to the wheel etc. (resolution) 604; work like a horse, work like a cart horse, work like a galley slave, work like a coal heaver; labor day and night, work day and night; redouble one's efforts; do double duty; work double hours, work double tides; sit up, burn the candle at both ends; stick to etc. (persevere) 604.1; work one's way, fight one's way, lay about one, hammer at.    take pains; do one's best, do one's level best, do one's utmost; give one hundred percent, do the best one can, do all one can, do all in one's power, do as much as in one lies, do what lies in one's power; use one's best endeavor, use one's utmost endeavor; try one's best, try one's utmost; play one's best card; put one's best leg foremost, put one's right leg foremost; have one's whole soul in his work, put all one's strength into, strain every nerve; spare no efforts, spare no pains; go all lengths; go through fire and water etc. (resolution) 604; move heaven and earth, leave no stone unturned.    ... show more