lecturer
US /ˈlek.tʃɚ.ɚ/
UK /ˈlek.tʃɚ.ɚ/

1.
a person who gives lectures, especially as a teacher at a university or college
:
•
The lecturer explained the complex theory clearly.
•
She is a senior lecturer in the history department.
a person who gives lectures, especially as a teacher at a university or college