あやつ
ayatsuru

Godan Verb (ru)

1. to operate (e.g. a machine); to handle; to manage; to control; to maneuver; to steer

Transitive
Godan Verb (ru)

2. to have a good command of (a language); to play proficiently (of a musical instrument)

Transitive
あの通訳 つうやく こく 自由 じゆう あやつる。
ano tsūyakuwa gokakokugō jiyūni ayatsuru.
That interpreter is a master of five languages.
Godan Verb (ru)

3. to work (a puppet); to pull the strings of a puppet

Transitive
Godan Verb (ru)

4. to manipulate (a person, public opinion, etc.); to pull the strings; to control from the shadows; to mastermind

Transitive
もうけようとする投機 とうき すじ あやつられているのです。
mōkeyōto suru tōkisujini ayatsurarete iru nodesu.
It's being manipulated by investors trying to make it rich.