“Honor the Lord with your wealth and with the firstfruits of all your produce” (Proverbs 3:9). This principle of honoring God with possessions applies regardless of their source, yet Scripture also warns that “the love of money is a root of all kinds of evils” (1 Timothy 6:10). The question requires examining both the nature of giving and the morality of gambling itself.

The act of giving a portion of gambling winnings to God does not sanctify the money’s source. Scripture teaches that God examines not merely the outward act but the heart and the means by which offerings are obtained. While the tithe itself honors God’s ownership of all things, gambling fundamentally violates biblical principles of stewardship, work ethic, and love of neighbor.

The Westminster Larger Catechism identifies gambling as a violation of the eighth commandment, noting that we must not “waste our own or another’s substance”. Gambling relies upon covetousness and chance rather than honest labor, seeking to gain without productive work. It preys upon the vulnerable while fostering the love of money Scripture explicitly condemns.

However, the Christian must distinguish between the sinfulness of gambling and the obligation to honor God with all possessions. Once gambling winnings are obtained, the believer should give generously to kingdom work, recognizing God’s sovereignty even over ill-gotten gain. Yet this giving must be accompanied by repentance from the sin of gambling itself.

The gospel provides hope for those ensnared by gambling addiction. Christ’s perfect obedience covers all sins—including wastefulness and covetousness—while His Spirit transforms hearts to find contentment in God rather than the false promises of chance. The believer trapped in gambling need not despair, but must flee this sin while learning to honor God through faithful stewardship of legitimate earnings.

This truth addresses the heart’s tendency to justify sin through religious acts. God desires obedience rather than sacrifice, calling His people to honor Him through righteous means rather than attempting to sanctify sinful practices through giving.