Sounds like he is a chancer! trying his luck to get in on your shooting.
Last summer I had a guy come up to me when i was in the middle of a permission, right in the middle of the field, and asked 'what do you think you're doing here!. do you know whose land your on' in a stern voice which caught me by suprise!
when i replied 'yes my cousin owns these feilds' and gave some basic contact info, he gave me a verbal lecture, told me to clear off and then proceded on his way.
thinking i was in the i contacted my cousin to let her know what had happened, she said it was rubbish and to