initiator
nounUK /ɪˈnɪʃieɪtə/
US /ɪˈnɪʃieɪtər/
A person who starts something.
She was the initiator of the school garden project.
RELATED WORDS
OTHER MEANINGS
2. A device or substance that starts a chemical reaction or explosion.
The initiator triggered the fireworks safely.
3. A person who introduces someone to a new group or skill.
He was the initiator who taught me how to play chess.
4. In computing, a program or process that begins a connection or action.
The initiator sent a request to the server.