IPA: /əˈweɪkənər/
KK: /əˈweɪkənər/
A person or thing that causes someone or something to wake up or become alert.
The teacher was an awakener of curiosity in her students.
Awakener → It is formed from "awake" (from Old English "awacan", meaning to rise or become awake) and "-er" (meaning a person who). An awakener is a person who causes someone to wake up or become alert.
Think of someone who helps others 'rise' ('awacan') from sleep — that's what an awakener does.