Green’s Dictionary of Slang

carder n.

(UK Und.) a card player; 19C use refers to a professional card gambler.

[UK]Hickscorner Avii: Braulers lyers getters and chyders Walkers by nyght with grete murderers [...] and Joly carders Oppressers of people with many swerers.
[UK]T. Becon An inuectyue agenst the moost wicked [and] detestable vyce of swearing n.p.: [contents] Dysers and Carders.
[UK]H. Latimer 27 Sermons 85: [T]here is no mā that hath an yl conscience that doth pray in spirit: he yt is a whoremōger or a swearer, a carder or a dronkard or suche like.
[UK]Iniunctions giuen by the most reuerende father in Christ, Edmonde n.p.: Whether they, or any of them[are] giuen to Dronkennesse, Idlenesse, or be haunters of Tauernes, Alehouses, or suspected places, or be hunters, haukers, dicers, carders, Tablers, Swerers, or otherwise suspected of any notorious crime.
[UK]T. Lupton Siuqila too good, to be true 94: Sivqila. [T]here is not one Dicer nor yet Carder in all our Country.
[UK]W. West The second part of Symboleography n.p.: [I]t neither nameth any [...] extorcioner, bankrupt, rogue, vagabond, vsurer, heretike, scismatike, dicer, bowler, carder, nor such like, being against the Law.
[UK]B.H. The glasse of mans folly 48: Some say, My sonne is no Dicer nor Carder: but thou permitst him to a proparatiue by such like play.
[UK]J. Gaule Distractions 389: An Informer, Promoter, Petty-fogger, a Pillager, Poller, Toller, a Monopolizer, Market-monger, Corne-hoorder, Huckster, Broker, Regratour, a Mountebanke, Catchpole, Cutpurse, Carder, Cheater; and many such more.
[UK]Articles to be inquired of vvithin the Arch-deaconry of Chichester n.p.: [I]s [your parson] [...] a dicer, carder, tabler, swearer, or giuen to base or seruile labour.
[UK]C.M. Westmacott Eng. Spy II 9: Cheltenham carders. [note] Cards, cards, cards, nothing but cards from ‘rosy morn to dewy eve’ at the town of Cheltenham.
[US]Ladies’ Repository (N.Y.) Oct. VIII:37 316/1: Carder, a professed gambler.