When gambling, odds are often the ratio of winnings to the stake and you also get your wager returned. So wagering 1 at 1:5 pays out 6 (5 + 1). If you make 6 wagers of 1, and win once and lose 5 times, you will be paid 6 and finish square.
Juan "Juarez" Mendoza (1830-1884) is the main antagonist of Call of Juarez and the secondary antagonist of Call of Juarez: Bound in Blood. He was the biological father of Billy Candle. He acquired his nickname "Juarez" from the town he grew up in.