It occurred to me that I would challenge myself to be in the highest rank someday in a good and right way even though I only worked as a housemaid.
Change doesn't happen in a day. It happens incrementally, or in this case, every two weeks - even if you get hundreds of merit today, you still need to wait 1 year to get enough activity to become a Hero Member, and for Legendary it's anywhere from 2-3 years (the exact amount is random for each user).