rook

abecedarian, apprentice, babe, beginner, colt, cub, fledgling, freshman, greenhorn, neophyte, newbie, newcomer, novice, novitiate, punk, recruit, rookie, tenderfoot, tyro, virgin

beat, bilk, bleed, cheat, chisel, chouse, con, cozen, defraud, diddle, do, do in, euchre, fiddle, fleece, flimflam, gaff, gyp, hose [slang], hustle, mulct, nobble [British slang], pluck, ream, rip off, screw, shake down, short, shortchange, skin, skunk, squeeze, stick, stiff, sting, sucker, swindle, thimblerig, victimize