when they find you [plural]
when they find us (you and me)
when you [plural] find them
when we (but not you) find them
when we (you and I) find them
when they find us (but not you)
when we (but not you) go around them
when we (you and I) go around them
when they go around you [plural]
when they go around us (you and me)
when they go around us (but not you)
when you [plural] go around them