The assistant shoemaker is another of Malamud's weirdly insistent, lonely souls--impelled, who knows why, to devote himself to a hopeless love; still wincing from the horrors of Europe, which he has not entirely escaped; inarticulate, yet bursting with passion, if only his boss, the master shoemaker, will deign to listen.
The assistant to the shoemaker was lonely, despite devoting himself to his work.
The master shoemaker gave all his attention to his assistant.