Translation of whomever in German

No, it is a summer camp for teenagers between the age of 16 to 18. They spend 9-10 months of the year in the boarding school, first in the mountains, then near a sea in the local area. Some of them have work to do during the summer vacation.
The conjugations of verbs are the biggest problem for me. I have never studied Spanish in school, but visited evening classes instead. This year I want to take a full Spanish course.
I've chosen a subject but for now I take a lot of art and language courses. Thank you for your tips! They helped me a lot. My uncle is a music teacher, but my father studied economics.