Revenge
Paid.
workers
compensated, paid
owed.
Early (as in getting paid in advance)
Another word for going back is reverse
Another word for getting shots is receiving vaccinations, or being vaccinated.
spent, expended, paid
Amateur
Fare
A draw is moneys advanced for a purpose, such as travel expenses, and which must be paid back or documented by receipts for the purpose intended.
I think another word for fiercely means that someone is getting their anger on someone by fighting with them, they are trying to fight back what others have taken