What do diners, hangers-on, guests, and guests mean?

Diners: In ancient times, people who lived in wealthy and powerful families to plan and serve their masters: there were three thousand diners.

Controller: A person who is kept by a powerful person as a helper or errand: there are dozens of retainers.

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Guest: 1. The general name of guests. 2. Refers to treating each other with courtesy as a guest. 3. During the Spring and Autumn Period and the Warring States Period, it was often used to refer to envoys sent by other countries. 4. Refers to the nobility’s retainers, strategists, etc. 5. A term used after the Eastern Han Dynasty for the population of wealthy families attached to aristocratic families. 6. Official name. The provincial title of the prince's guests. It was first established in the Tang Dynasty and abolished after the Ming Dynasty.

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Sacrificing people: ① A guest of an ancient wealthy noble family: Lin Xiangru ordered Miao Xian to sacrifice his people for the eunuch Zhao. ②ancient official title. They were preceded by titles, with different names and powers: Qin and Han Dynasties had Prince Sheren | Wei and Jin had Zhongshu Sheren. ③After the Song and Yuan Dynasties, it was used to address the children of powerful people, and it was still called a son. Where did the person come from?