fit for light duties = saikang
warrior
Etymology: < Hokkein or Teochew
sai, 'fecal matter' + kang, 'work'. The term
seems to originate from military (conscription) colloquialism in
Singapore.
1. A person who does an undesirable job (either
out of one’s good will or has been coerced into doing so) in the
background not for one’s benefit but for the benefit of
others.
2. Used in the army to refer to people of the
lower ranks who are forced to do unpleasant jobs such as carrying
heavy things for their superiors.