Not from South America (yes I'm getting those too) but from our very Midwest/heartland, a "flyover" state.
"Hey, I'm not going to beat around the bush out of respect of eachother's time, I am in a hard place right now. I am a little over $3,000 away from being able to move to university. It is disheartening because I have gotten as far as I could by myself, graduating top of my class, getting my associates even before graduating high school, supporting myself financially, but there is just no further I can go towards my goals, living paycheck to paycheck. I am asking for a loan, you can set the interest and even organize some notarized contracts, we can talk on the phone, get to know eachother, I can provide identification documents, etc. Or another type of arrangement of interest to you. I do crave a relationship with someone older, that can offer me guidance, but just depends on how you connect with me. I am not asking for a hand out, but for someone to get to know me and invest in me."