originator
nounUK /əˈrɪdʒ.ɪ.neɪ.tər/
US /əˈrɪdʒ.ə.neɪ.t̬ɚ/
A person who makes or starts something new.
The originator of the game showed everyone how to play.
OTHER MEANINGS
2. The first person to think of an idea or plan.
She was the originator of the school garden project.
3. A person or company that sends something out, like a payment or message.
The bank was the originator of the loan.
4. The source from which something comes.
The originator of the rumor was never found.