Power broker and Wire-puller

Power broker noun - A person who is important by virtue of the people or votes they control.

Wire-puller and power broker are semantically related. in person with power topic. In some cases you can use "Wire-puller" instead a noun phrase "Power broker".

Wire-puller noun - One who uses secret influence (i.e. pulls wires or strings) for his own ends.

Power broker and wire-puller are semantically related. Sometimes you can replace phrase "Power broker" with "Wire-puller", this phrases are similar.