younker
A young man; a lad, youngster.
archaic
“Jim,” says he, “I reckon we’re fouled, you and me, and we’ll have to sign articles. I’d have had you but for that there lurch, but I don’t have no luck, not I; and I reckon I’ll have to strike, which comes hard, you see, for a master mariner to a ship’s younker like you, Jim.”
A young gentleman or knight.
obsolete
But that same younker soone was overthrowne
So foorth they went, and both together giusted;A novice; a simpleton; a dupe.
obsolete
Trimmed like a younker prancing to his love!
junker
Where it comes from
Borrowed from Middle Dutch joncker (Dutch jonker, jonkheer), a compound equivalent to jong (“young”) + here (“lord”). Compare junker.
Adapted from the Wiktionary entry younker (CC BY-SA 4.0).