[4] He encouraged the coexistence of Buddhism and Christianity, and spoke out about social welfare issues, such as promoting birth control.
[5] After visiting the mainland United States in 1924, he was inspired to start the Hawaii Reimei Kyokai (New Dawn Church).
Three years later, in 1928, he sold it to the newspaper's chief editor at the time, Chinyei Kinjo, and returned to Honolulu.
When the war ended, Higa moved back to Honolulu, where he was the principal of the Waialae Japanese School.
He was then asked to serve as the minister for the Japanese service at the Wesley Methodist Church in Honolulu in 1949.