IPA: /ˈnɜːrtʃər/
KK: /ˈnɜːrtʃər/
A person who takes care of and encourages the growth or development of someone or something.
She is a nurturer who always supports her children's dreams.
Nurturer → It is formed from "nurture" (from Old French *nurturer*, meaning to feed or nourish) and "-er" (meaning a person who). A nurturer is a person who feeds or nourishes others.
Think of someone who 'feeds' or 'nourishes' — that's what a nurturer does, and the '-er' just means a person.