motivator

noun
UK /ˈməʊtɪveɪtə/
US /ˈmoʊtɪveɪtər/

A motivator is something or someone that makes you want to do something.

Her teacher was a great motivator who made everyone excited to learn.


OTHER MEANINGS

2. A person whose job is to inspire and energize a group, such as a team or employees.

The company hired a motivator to get the sales team excited about the new year.

3. Something that provides a reason for acting, like a prize or a promise.

The chance to win a trophy was a strong motivator for the players.

4. A factor in psychology that drives a person toward a goal.

Curiosity is a powerful motivator for young scientists.