Just because you aren't given the credit and haven't been recognised for your work doesn't mean you have to give up or stop. You don't always need credit, other people do not always have to know what you are capable of doing as long as you do.
Principles of Education and Training (One Credit) (c) Knowledge and skills. The student demonstrates professional standards/ employablility skills as required by business and industry. The student is expected to: (H) develop leadership skills