The person appears to be a/an Middle Eastern Male, approximately 10 to 19 years old.
For a formal summer party, a Middle Eastern male teenager should consider wearing a light-colored, breathable long-sleeve shirt, paired with tailored trousers or chinos in a complementary color. A lightweight blazer can add sophistication, and loafers or dress shoes in a neutral tone would complete the look. Accessories like a stylish watch or a traditional keffiyeh can add a cultural touch while maintaining formality.
For a formal summer gathering, a young Black male can wear a tailored white dress shirt paired with a vibrant patterned blazer that reflects cultural heritage, lightweight dress pants, and stylish loafers. Accessories like a statement watch or a unique bow tie can add a personal touch. For women, a chic jumpsuit or a beautifully designed dress with bold colors, complemented by elegant heels and eye-catching jewelry, would be perfect.