Tuhia tētahi tohutoro mō tēnei wāhanga - I mahi ia hei Pire o Plainfield, New Jersey mai i te 1912 ki te 1913. Ko ia te tumuaki o te komiti Democratic a Union County i te tau 1914 me te Komihana o Washington Rock Park o New Jersey mai i te 1915-1921. I mahi a Stewart hei mema o te Poari Mātauranga o te Kawanatanga o New Jersey mai i te 1919-1921 me te New Jersey State Highway Commission mai i te 1923-1929. He mema ia ki nga Huihuinga a-Motu a te Manapori i te tau 1920
me te tau 1928.