The person appears to be a/an Southeast Asian Male, approximately 20 to 29 years old.
In German, you can say: "Hallo! Wie geht es Ihnen?" (Hello! How are you?). In addition, here are greetings in a few other languages: In Spanish, you say: "¡Hola! ¿Cómo estás?" (Hello! How are you?). In Japanese, it's: "こんにちは! お元気ですか?" (Konnichiwa! Ogenki desu ka?).
A common greeting in German is 'Hallo!' which means 'Hello!'. It's widely used in both formal and informal settings, reflecting the friendly nature of German culture.