Madonna’s 18-year-old son, David Banda, revealed that he has moved out of his mom’s place and is living in New York City, selling guitar lessons and “scavenging” for food due to not “having enough money,” RadarOnline.com can reveal. David, who is currently in a relationship with model Maria Atuesta, 21, is carving his path in the music industry, displaying a diverse set of talents. Potential students can easily book lessons through his Instagram page, which boasts an impressive following of nearly 52,000 individuals. Banda told outlets: “I love it. I’m not on my own, I’ve got my girlfriend. Bu…