赌徒

dǔ tú

gambler

赌

dǔ

to bet; to gamble

徒

tú

(bound form) disciple; apprentice; believer; (derog.) wrongdoer (as in 騙徒|骗徒[pian4 tu2] "swindler" or 叛徒[pan4 tu2] "traitor" etc)