1.BOBFBsomeone who works in a bank in an important position 银行家;银行要员
2.DGBDGGthe player who is in charge of the money in some gambling games 〔赌博游戏的〕庄家
Examples from the Corpus
banker• My husband is a banker with a very demanding schedule.• Economics satisfied the two most basic needs of investment bankers.• The movement of the business men, bankers, industrialists into the party ... continued ...• A former merchant banker, Le Roux knew little about motorbikes; he didn't even have a license to drive one.• She had never before met a poor banker.
From Longman Business Dictionary
bankerbank·er /ˈbæŋkə-ər/ noun [countableC]
1someone who works in the management of a bank
a senior Swiss banker who sits on many company boards