Let me play the gracious host and treat you to a meal.
Tips
culture
地主 carries heavy historical weight in China. During land reform (1949-1953), landlords were a class targeted for redistribution. In the card game 斗地主 (dòu dìzhǔ, 'Fight the Landlord'), it's the name of the player everyone teams up against.
usage
尽地主之谊 (jìn dìzhǔ zhī yì) is a polite expression meaning 'to fulfill one's duty as a host' — used when welcoming visitors to your city or home.