TAU m Southern African, Tswana, Sotho
Means "lion" in Tswana and Sotho. Tau was the name of the last ruler of the Rolong in South Africa (18th century).
UNATHI m & f Southern African, Xhosa
Means "he or she is with us" in Xhosa, from the prefix u-
meaning "he, she" and nathi
meaning "with us".