In 1652 he took the post of tutor to the nephew of John Dodridge at Weare Gifford, Devon. He was presented to the rectory of
Rode, Somerset by the widow of Sir Edward Hungerford in May 1653 and was ordained at Salisbury in 1654 by the Presbyterians John Strickland rector of Salisbury, Wiltshire and Peter Ince rector of
Donhead St Andrew, Wiltshire. He exchanged ministries for Sutton Mandeville, Wiltshire in 1657 in order for his wife to be nearer to her father in Salisbury. He was ejected by the uniformity act in 1662 and became, in 1663, chaplain and tutor in Lady Hungerford's family at
Corsham, Wiltshire. He suffered a slight mental disturbance in 1671 and moved as tutor to the family of Thomas Grove of Ferne near
Berwick St John, Wiltshire. He developed depression and went to live in the house of Luke Rugeley, M.D. from October 1673 to February 1674 when he was completely recovered. During his life, Thomas Rosewell published two books:
An Answer unto Thirty Questions Propounded by the Quakers (1656) and
The Causes and Cure of the Pestilence (1665). On 5 May 1674 he was elected as
Nonconformist minister at
Rotherhithe, Surrey. ==Tried for treason==