party to

party to something

a participant in something; someone who is involved in something. I refuse to be a party to your dishonest plan!

Name	Pronounced	Usage
Meinrad	MIEN-raht (German)	German, Ancient Germanic
ConrÍ	-	Irish
Phebe	FEE-bee (English)	English, Biblical
Mavourneen	-	Irish
Thoma	-	Old Church Slavic
Hyder	-	Arabic