I never like another hunter to "shortstop" my deer travel lanes. How do you guys deal with the wind? Someone's going to bust the deer. Do you have any need to hunt or fish on his land? Maybe you could work a deal to reciprocate access privilidges. If not get rid of him. There's never a lifetime guarantee. I'd not get rid of him if you're just going to hunt it a year or two then move away or hunt better land. At the least let him take your does not your bucks.