Sidi Mubarak Bombay was sort of a combined guide, translator and nurse, and often the supervisor of the African laborers on expeditions through eastern and equatorial Africa in the 19th century.
Research:

The Many Meanings of the Bunker Hill Monument
45:48

SYMHC Classics: Four Paperclippers
36:24

Behind the Scenes Minis: Pacts and Facts
25:06