He eventually became Principal and Secretary of the Sierra Leone Mission; when the then Bishop of Sierra Leone became Chaplain General to the British Forces, Elwin was appointed his successor, being consecrated Bishop on 25 January 1902.
He eventually became Principal and Secretary of the Sierra Leone Mission. Elwin was appointed his successor. Elwin was being consecrated Bishop on 25 January 1902. The then Bishop of Sierra Leone became Chaplain General to the British Forces.