<human>: Hello /r/legaladvice,

So, a little backstory. I ended up living in a friend's house during college. In May 2012, I lost my job, and my very generous friend let me continue renting his home with the understanding I would pay him when I got a job post-grad. Post-graduation, I had nothing but difficulty finding *any* work in our town, and relocated back home to Louisiana with the debt still owed. It's around $1500-2k.

Recently, I came into a bit of money, and want to pay him back. It's been on my mind for the past 3 years how this guy stuck his neck out for me when I really needed someone, despite his being stressed with medical school, a new wife, and a baby on the way. Problem is, we didn't keep in touch and I started using a different name post-college.

I don't believe he's ever tried to collect the debt in any court of law situation, because nothing has ever shown up in background checks or credit reports (I'm an educator so I've done lots of fingerprinting/CORI checks, etc.)

How can I track this guy down? I found the record of his graduation from med school, can I ask the school for his most current address? I emailed his old email address (the main way we stayed in contact) with no response. If it ever becomes a legal matter, is that good enough merit?

Can you condense the text into three sentences or less?
<bot>: Owe former friend money. Can't find him. What are my legal obligations as far as finding contact information to avoid a huge problem if he ever tries to sue me for the balance?