- arsonist, incendiary, firebug - a criminal who illegally sets fire to property
--1 is a kind of criminal, felon, crook, outlaw, malefactor
--1 has particulars: barnburner - firebug - a true bug: brightly colored bug that can exude a stain
--2 is a kind of heteropterous insect
--2 is a member of Pyrrhocoridae, family Pyrrhocoridae