You, you said the word " I ", so you are the first subject.
I believe the answer would be the participant. These roles sound like something everyone in a group should do
Hope this helps!
Answer:
Proper adjective.
Explanation:
Assuming I read the sentence correctly, the word "German" is describing the type of chocolate (German chocolate AKA chocolate that's well...German).
Also, German is always capitalized regardless of how it's used in a sentence with some exceptions.
It's hard to explain (I'm bad at explaining things. Sorry).