Hi Everyone.

I sadly learned this morning the closure of the program TALK, one of the only few that allows people with an Associate's degree to come teach in Korea.

Do you know of any similar program or way to get a job hold "only" an associate's degree?

I am afraid you will have no other option.  I did hear Taiwan with an in class TESOL may hire some associates degree.  But, you may have to go two more years and get a full undergrad degree to work here.  But, honestly, the way wages are going into decline here, by the time you get your 4 year degree, it may not be worth working here if you are looking to pay off your loans or save money.  China and Vietnam may be better for you at that time.  Pay here is increasingly bad even for a 4 year degree person who can legally work here.  Just make sure to get an in class 120 TESOL if you can.  It will help your application in general whichever country you decide to apply to in the future. 

Unfortunately, the above poster is correct that it's almost impossible to work in Korea without a bachelor's degree.
The only legal possibility would be to acquire a student visa, and then get permission from your university to tutor etc.
Here's a bit of info that you might find helpful:
https://www.studyinkorea.go.kr/popup/employment_regulations_part_en.jsp

I believe that the only organization in Taiwan that hires associate degree teachers (with their TESOL certificates) is the "Hess International Education Group", so if you're interested in teaching in East Asia, then that's probably where you'd want to send your CV.
https://www.hesseducation.com/

 This is very much a matter of opinion, and this particular debate pops up on other threads fairly frequently.
Let's not rehash that here for the billionth time, please! 

Not rehashing just giving him info to research himself.  But if he has a 2 year degree already and goes to uni for another 2 years starting next year, then he will get here in 3 to 4 years time.  Inflation ceretaintly will shrink an already stagant Korean salary even more by that time.  (It already has a lot now.)  If he wishes to still come, that's on him.  His choice.  If that is goal, so be it, but he should know what to expect ahead of time because recruiters will lie to him making false outdated claims about money, etc.  If he knows the truth and still wishes to come, he can come. 

Best of luck whatever he decides.  He does need to weigh the cost of more debt for 2 years of university and compare it to the ability to pay that debt off.  I would imagine in 4 or 5 years time, he won't make enough here to repay that debt.  It is why I suggested other places.  Just giving him the information to make an informed descision.  Then again, he may opt not to go to school for another two years and avoid the extra debt all together.  Just have all the information good and bad before making the decision.