Trusted was
called to the bar in 1911 at Inner Temple and served overseas in the
Duke of Cornwall's Light Infantry during the First World War (1914–1918). In 1925 he was appointed a Puisne Judge in the
Leeward Islands Supreme Court, becoming
Attorney-General in 1927. In 1929 he was transferred to be Attorney-General of Cyprus. As Chief Justice he is remembered for granting additional powers to the Bedouin Tribal Courts on condition they abandoned the practice of ordeal by fire (Bish'a). In January 1938, he presided over the murder trial of
Mordechai Schwarcz, a Jewish
Palestine Police Force officer who had murdered an Arab police officer. He found Schwarcz guilty of murder and sentenced him to death by hanging. Schwarcz was executed later that year, becoming the only Jew to be executed for murdering an Arab during the Mandate era. In 1941 he moved to be
Chief Justice of the Federated Malay States, which lasted until 1946. For much of that time he was a Prisoner of War of the invading Japanese army. In 1948 he chaired a Commission of Inquiry into the anti-Jewish riots in the
British Protectorate of Aden. ==Personal life==