When researching at Montauban, Jean Claude entered the ministry inside 1645. For eight years he was prof of theology in the Protestant college of Nîmes; but around 1661, having with success opposed the scheme for re-uniting Catholics and Protestants, he was forbidden to preach around Lower Languedoc. Within 1662 he obtained the post at Montauban similar thereto which he got misused, however little joe years late he was flushed from either there too. Next he became pastor at Charenton near Paris, where he engaged inside contention using Pierre Nicole (Réponse aux deux traités intitulés la perpétuité de la foi, 1665), Antoine Arnauld (Réponse au livre de M. Arnauld, 1670), and J.B. Bossuet (''Réponse au livre de M. 50'évêque delaware Meaux, 1683).

On the revocation of the edict of Nantes in 1685 Jean Claude fled to the Netherlands where he received a pension from either stadtholder William of Orange, who commissioned him to write an account of the persecuted Huguenots (Plaintes des protestants cruellement opprimés dans le royaume de France, 1686). A book was translated into English, but by sequentially of James II of England, both a translation & a original were publicly burnt per most common hangman on the 5th of May 1686, as containing "expressions scandalous to His Majesty the king of France."

More works by Jean Claude were Réponse au livre diamond state P. Nouet tyre 50'eucharistie (1668) and Œuvres posthumes (Amsterdam, 1688), containing a Traité delaware la composition d'un sermon'', translated into English around 1778.