Ferguson is currently the Town Manager of St. Stephen.
Tait, a former common councillor, pulls no punches telling jury there were many times Ferguson got under his skin.
Tait told the court he was frustrated with Ferguson making allegations without providing any proof to back them up.
Tait, was receiving a city pension while serving on Council and the pension board.
He sought a legal opinion on whether he was in a conflict of interest, but says his pension benefits did not change or increase.
City Solicitor John Nugent calls the allegations reckless.
