-blə(r) noun
( -s )
Etymology: probably alteration of obsolete English gamner, gamener, from obsolete English gamen, v., to play (from Middle English gamenen, from Old English gamenian ) + English -er; akin to Old Norse gamna to amuse; denominative from the root of Old English gamen game — more at game
: one that gambles: as
a. : one that habitually plays games of chance for money : gamester
b. : one that for pay or other financial advantage provides the space and equipment needed to permit others to gamble
c. : one that takes risks
if a publisher doesn't want to be a gambler , he shouldn't be a publisher — Publishers' Weekly
specifically : speculator
the … financial gamblers who now have all our livelihoods at their mercy — G.B.Shaw