"Masi" is a word of Swahili origin, commonly used in East Africa to refer to a respected elder or leader. There are numerous synonyms that can be used interchangeably depending on the context of use and the cultural setting. Some of the common synonyms in Swahili include mzee, baba, mkuu, kiongozi, and mwalimu. In other African languages, such as Zulu, Xhosa, and Sotho, the equivalent words include nduna, induna, nkosi, setšhaba sa rona, and ngubani. These synonyms are used to show respect and honor to these leaders, and they hold a significant cultural significance to many African communities.