I suspect he might have been a lay preacher.
This looks like him in 1871
RG 10 / 2264/ 57/21
13, Mevagissey Street, St Austell
Sidney Hoskin, head, m, 33, labourer, St Mewan
Harriet do, wife, m, 36, Egloshayle
William do, son, scholar, St Austell, Cornwall
Elizabeth do, daur, 8, do do
Emily do, daur, 6, do do
Sidney, son, 4, - do do
Mary e, daur, 2 months, - do
Elizabeth Woolcock, relative, w, 59, cleaning the Parish Church of St Austell, do do