malingerer Meaning, Definition & Usage

  1. noun someone shirking their duty by feigning illness or incapacity
    shammer; skulker.

WordNet

Ma*lin"ger*er noun
Etymology
F. malingre sickly, weakly, prob. from mal ill + OF. heingre, haingre, thin, lean, infirm, fr. L. aeger.
Definitions
  1. In the army, a soldier who feigns himself sick, or who induces or protracts an illness, in order to avoid doing his duty; hence, in general, one who shirks his duty by pretending illness or inability.

Webster 1913