Definition of Easterling:

part of speech: noun

The native of a country eastward of another.

Usage examples:

• There Thorstein married Thorid, daughter of Eyvind the Easterling sister of Helgi the Lean; and they had many children. Anonymous in "Eirik the Red's Saga".

• Drake, meantime, was mistakably following in the dark and stormy night a phantom enemy, in the shape of five Easterling vessels. Frederick Whymper in "The Sea: Its Stirring Story of Adventure, Peril, & Heroism. Volume 1".