With the kind help of Bishop Museum volunteer Mr. K. Suzuki, the mystery is solved. The Consul General Representative for 1895 from Japan here in Hawaii nei who appears in “Hawaii’s Story by Hawaii’s Queen” was Seizaburō Shimizu.
[As per a listing of the Japanese consul generals stationed in Honolulu, which is printed in Sōga, Yasutarō. 1953. Gojūnenkan no Hawai Kaiko. Tokyo: Kankōkai.]