The indictment, which was a somewhat serious one, charged him with "keeping conventicles, withdrawing from the ordinances, inculcating seditious doctrine, plotting against the Government, supplying and harbouring rebels, and other public crimes and irregularities."
When examined before a Committee of the Privy Council, at Elgin, in the beginning of the year 1685, he admitted that he had not attended the Parish Kirk and had officiated several times in private houses.
[6] Dunbar was, therefore, sentenced to penal servitude amid the plantations of the West being banished by the Privy Council 2 March 1685.
In lieu thereof, he was conveyed a prisoner to the Bass, in February 1685, where he remained one full year, after which he regained his liberty on the ground of the impaired state of his health.
Sir Hugh Campbell of Cawdor refers to him in his book on the Lord's Prayer, as "the holy Mr Alexander Dunbar, minister of Auldearn.