domesticator

And of course, if the domesticator is going through the effort of containing and feeding a group of animals, then he will preferentially cull the animals that cause the most headache.

Building a Better Llama, Bryan Caplan | EconLog | Library of Economics and Liberty 2009

Back in the nineteenth century the Victorian-era British economist Walter Bagehot had written, “Man, being the strongest of all animals, differs from the rest; he was obliged to be his own domesticator; he had to tame himself.”

The Goddess and the Bull MICHAEL BALTER 2005

Beginning with the insects, the lowest forms in the animal series which have proved in any sense domesticable, we note that wide as is this realm of life it offers but few opportunities such as the domesticator seeks.

Domesticated Animals Their Relation to Man and to his Advancement in Civilization Nathaniel Southgate Shaler 1873

Man, being the strongest of all animals, differs from the rest; he was obliged to be his own domesticator; he had to tame himself.

Physics and Politics, or, Thoughts on the application of the principles of "natural selection" and "inheritance" to political society Walter Bagehot 1851

4 But, in some cases, the domesticator may see a return even without genetic change in the herd: if the herd is contained in a pen, hunting is much easier.

Building a Better Llama, Bryan Caplan | EconLog | Library of Economics and Liberty 2009