[2] She was a sociologist[3] and as a native Spanish speaker, served as liaison and translator for several feminist and pacifist organizations.
[4][5][6] As early as 1928, she was serving as a missionary and teacher in Latin America[7] and in 1936 she was a delegate at the Baháʼí annual convention in Buenos Aires, Argentina.
After the convention, she traveled on to teach in Rio de Janeiro and São Paulo, Brazil.
[13] In 1940, Stewart left the US to spend a year in South America,[14] beginning in Mexico and continuing on to El Salvador,[15] Guatemala,[16] and Honduras,[17] returning to Utica, New York, in October 1941 where she prepared translations of the Tablet of Ahmad and the Prayer Books into Spanish.
[5] Throughout the 1950s, Stewart continued her missionary teaching[18] in Puerto Rico in 1951,[19] on Juan Fernández Islands, Chile in 1955,[20] and various other locations until 1958, when her administrative rights as a member of the Baháʼí Faith community were removed.