When I was going through my obvious change in participation and meeting attendance, an older elder friend asked if he could meet with me, just the two of us.
We met for coffee at a local restaurant, I figured a public setting was much better.
In my case, I already knew that I would have to be cautious in the way I said things as I had already had private conversations with a couple of elder friends and had been given advice here on this site.
I guess you could say I've successfully faded, although I'm not living anything in secret in my opposition to my former faith and my wife still is a believer.
It seems that the longer you go without making a scene, once you've gone long enough for the elders to stop trying to shepherd you in some way, they just let you go as long as you aren't an obvious threat to others. At least that's how it's been for me.
JW's have an art of double speak and misdirection. Use that when talking to an elder. Don't say things in a way they can be taken as a direct statement.
Talk in a way like you have questions about something, but don't commit to an answer. I made a comment about not understanding something about the faithful slave and gave details, the elder then asked if I believed it was God's organization ... I only reaffirmed that I just didn't understand this point for whatever reasons.
Unless you are sure because this elder confides in you that he is with you, treat him as any other JW elder. His goal is to bring you back, but if you show yourself to be a threat, judicial action is a very likely outcome.
Welcome and best wishes.