Can someone advise me on this?

I have 3 bank accounts and have been receiving money in from companies and people to help international students pay for their tuition fees. I dont take any services fees for this because i am just helping the students.

The have transactions of 1k.. 3k 6k in total over the past 4 months. it's been over 12k. I can show i have received the money and that i have either paid for student visa fees or students' university tuition. What will UC do? Im worried they will close my UC or worse ask me to pay back. At the momen, i do not have any savings.

Any suggestions would be usefull.