noun
Refers to a person who devises schemes, often with a negative connotation of cunning or manipulation, but can also be used neutrally for a master strategist.
彼は政界の謀略家として知られている。
He is known as a schemer in the political world.
その謀略家は巧妙な計画を練
The plotter devised a cunning plan.
Compound of 謀略 (stratagem, plot) and 家 (person, specialist).