noun
educator
ED-joo-kay-ter/ˈedʒukeɪtər/
A person or thing that teaches or provides instruction.
The educator demonstrates an arrangement of wooden blocks for the attentive students.

Etymology
An educator was someone who carried out rearing or training: the Latin noun could mean a foster father or tutor. English similarly shifted from someone who nourishes or rears to someone who teaches.
In context
I've been a public school private school and private sector educator and I've worked actually with Pre-K all the way through graduate school for over 20 years
More examples
- Museum educators help visitors understand the exhibits.
- A nurse educator teaches patients how to manage their diabetes.
- Travel can be a powerful educator, challenging familiar assumptions.
Forms
Similar words
- teacher
- Usually someone whose job involves teaching students in classes.
- instructor
- Often emphasizes teaching a particular skill or practical subject.
- tutor
- Usually teaches individuals or small groups with focused attention.