What is the meaning of Sais?

A groom, or servant with responsibility for the horses.

usually syce: chauffeur, driver.

A 1919 photograph of M. C. Westerman, Mr. and Mrs. Soeters, and a chauffeur, in Ambarawa, Central Java, Dutch East Indies

Used to represent a nonstandard pronunciation of says.

six

Alternative form of seis

six

six (6)

first/second-person singular present indicative of savoir

second-person singular present indicative of sair

driver

chauffeur, driver

second-person singular present indicative of sair

plural of sal

Alternative form of seis

size

Source: wiktionary.org