malingerer(n = noun.person) shammer, skulker - someone shirking their duty by feigning illness or incapacity; Array
is a kind of shirker, slacker
Derived form verb malinger₁

   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. [1913 Webster]