splitter

nouns

a worker who splits fish and removes the backbone
splitter
is derived from
split
is a type of (narrower)
a person who works at a specific occupation
"he is a good worker"
worker
a taxonomist who classifies organisms into many groups on the basis of relatively minor characteristics
divider, splitter
antonym
lumper
a laborer who splits logs to build split-rail fences
rail-splitter, splitter
is derived from
split