Definition of "worldling"

These wicked wares, that worldlings buy and sell,The moth will eat, or else the canker rust:All flesh is grass, and to the grave it must.

1600, Nicholas Breton, “A Solemn Farewell to the World”, in Melancholike Humours, in Verses of Diverse Natures

[…] if the simple look benevolently on money, how much more do your old worldlings regard it! Their affections rush out to meet and welcome money.

1847 January – 1848 July, William Makepeace Thackeray, chapter 21, in Vanity Fair […], London: Bradbury and Evans […], published 1848

Disgusted with the world and worldlings, I drove down to an estate of my father's, in Suffolk, determined to “misanthropise” and be romantic ; but all my plans were disconcerted by the “Large blue eyes, fair locks, and snowy hands” of Miss Emily Hathenden, whose estate bordered on my own.

1888, The Lady's Book - Volumes 6-7, page 243