Between 1786 and 1790 Chaser made four voyages as a whaler in the British southern whale fishery.

In 1796 she was condemned in West Africa on her first voyage in the triangular trade before she could embark any enslaved people.

[4] On 24 August 1782 a gale drove Cotton Planter, Young, master, onto safe ground at "Isle Varow Point", in the River Shannon.

On 4 March 1791 Lloyd's List showed Chacer, Funter, master, sailing from Deal to Africa.

Lloyd's List reported in January 1795 that the French privateer Libertie had taken Chacer and Dorset, Edmonds, late master.

Sarah separated from Chaser on the 20th through the Gulf of Mexico, and from Amacree on the 29th, north of Bermuda.

Owner John Dawson next intended to sail Chaser in the trade in enslaved people.

[3] Lloyd's List reported in February 1796 that she had returned to Liverpool from westward of Newfoundland.

[21] After Chaser, Galbraith went on to be captain of Union, which the French also captured, and then Goodrich on the third of her seven voyages transporting enslaved people.

The Liverpool merchant John Dawson was the or an owner of Brothers, Chaser, and Union.