What you need is usually the elder of each flag or the daughter of a court official, or the relative of a wealthy businessman, or someone who is kind to the emperor (such as a nanny).
About the lady:
The palace ladies in the Qing dynasty mainly came from the draft women of the Ministry of Internal Affairs. The Ministry of Internal Affairs selects Manchu women in Shangsanqi once a year, with ages ranging from 12 to 15. Similarly, after going through almost the same procedures as female practitioners, the selected female practitioners will enter the palace to become maids and be assigned to serve in various palaces. During the service period, the grade and length of service will be rewarded (paid) monthly.
These ladies-in-waiting served in the palace for five to ten years, and then they were sent home (unless they were favored to become concubines during the period). When they left the palace, they were replaced by newly elected maids. If you are lucky enough to get a reward during your service in the palace, you can take it with you when you leave the palace. According to the usual practice, the Qing palace will send dozens of taels of silver when the maids leave the palace as a dowry after leaving the palace. Therefore, being a maid in the palace can not only get a monthly reward, but also learn the rules of the palace by the way. Therefore, many wealthy families regard this as a bride custom before marriage. However, if you are seriously ill, make a big mistake or move too awkwardly during your service, you will be sent out of the palace immediately. (from Wikipedia)
I hope this helps you.