Best was born in Sydenham, England, the second son of George Frederick Best and his wife Sophy Maria Best who emigrated to South Australia aboard S.S. Cicero, arriving in Adelaide on 13 April 1883, and lived at Sydenham Cottage, Kent Town. He was engaged in business for some years and closely involved with the St. John's Church, Halifax Street, Adelaide. He was an active member of St. John’s Young Men’s Society, Dramatic and Literary societies and superintendent of the Sunday school. He was appointed to several important lay positions before deciding on a full-time career in the Church. He enrolled with St. Barnabas' College, North Adelaide to study for the ministry, graduated in 1900, was ordained deacon by Bishop Harmer in 1901 and priest in 1902. Best served as assistant curate to Canon Andrews, at St. Bartholomew's, Norwood from December 1901 to August 1903, and at St. Mark's, Maylands from September 1902. He then served as rector at St. Augustine’s Church, Port Augusta from September 1903 to December 1906, then succeeded Rev. C. E. Doudney at St. George’s Church and the Church of the Transfiguration in Gawler, then from 1911 to 1920 he served as rural dean in Gawler, and while there also served as chaplain to Roseworthy Agricultural College in 1912 and chaplain to the Australian Military Forces from 1916 to 1919. He left Gawler in 1925, to be replaced by the Rev. T. Percy Wood. Among the church's accomplishments during Rev. Best's incumbency may be numbered the completion of St. George's church, Gawler South, the re-establishment of St. Michael's Church, Barossa, and clearance of all church debts. He was appointed rector of St Jude's Church, Brighton and All Saints', Seacliff in December 1925 and elected canon on 9 March 1934. He retired from parish work on 30 June 1936, but served from 1939 to 1946 as acting secretary of the Australian Board of Missions and from 1940 to 1944 at the North Adelaide Church of Christ.
Other interests
His involvement with the St John'sLiterary Society extended to membership of the South Australian Literary Societies' Union, of which he was in 1895 elected vice president and served as general secretary 1896–1901, and was credited with reviving the Union's moribund finances.
