Valetudinarian

a. [Lat. valetudinarius, from valetudo, state of health, health, from valere, to be strong or well, It. & Sp. valetudinario, Fr. valétudinaire.] Of infirm health; seeking to recover health; sickly; weakly; infirm. “My feeble health and valetudinarian stomach.” Coleridge.

The virtue which the world wants is a healthful virtue, not a valetudinarian virtue. Macaulay.

n. A person of a weak, infirm, or sickly constitution; one who is seeking to recover health.

Valetudinarians must live where they can command and scold. Swift.