The painting by Harold Copping (1863–1932) depicts a missionary nursing the sick in Africa who follows Christ in his work.
Harold Copping (1863–1932), The Healer, oil on canvas, 127 x 101.5 cm, 1916; source: Wellcome Collection, https://wellcomecollection.org/works/u4hc2hwe, Attribution 4.0 International (CC BY 4.0).