perukery
/ˌpɛruːˈkɛri/ (per-oo-KER-ee)
Definitions
1. noun
A person who secretly or fraudulently obtains money or other advantages by pretending to have a close relationship with someone, especially a celebrity, or by pretending to be someone they are not.
“She was accused of being a perukery, trying to scam fans out of their money with fake charity events.”