Duke of Edinburgh Award Program

Hello. I have recently signed up for the duke program but i need help. Firstly regarding how to find appropriate assessors. I am unable to find people who can log in track my progress and validate that i have been on track. For my physical recreation i chose badminton to play which i need to do one hour a week. I am thinking to use my Sports instructor at school to be my assessor. For skills i am thinking to go over programming pseudocode but i wanted to ask that i am learning the whole igsce computer science in academy and so would also learn pseudocode. Would that count in learning this programming language. Also i wanted to know how to make proofs and evidence. Lastly i need help in volunteering which i have no idea about