Play (someone) like a fiddle verb phrase
To skilfully manipulate someone to serve one's own needs, ends, or benefits
He doesn't realize that they are playing him like a fiddle.
Social media plays us like a fiddle without knowing it.
I can't believe he has played me like a fiddle for years.
a person who is easily deceived or manipulated to do something, especially giving someone money.
Use one's influence and power to support someone
1. To seize or take control of someone, something, or some place with a sudden and fierce attack
2. To gain a rapid and great fame or success in a place, a field or a particular group of people
To be under the control of someone or something
The verb "play" should be conjugated according to its tense.