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
Zhanna	ZHAH-nah	Russian
Mckenna	mə-KEN-ə	English (Modern)
Jeannine	zha-NEEN (French), jə-NEEN (English)	French, English
Bademus	-	History
Yarona	-	Hebrew
Frits	FRITS	Dutch