/ævˈjuːteɪ/ or /əˈvjuːteɪ/ (Note: The word ‘avouter’ is not found in many English dictionaries and might be a misspelling or a rare term. However, based on ‘avow’, a possible pronunciation could be /ævˈjuːteɪ/ or /əˈvjuːteɪ/)

Definitions

1. noun

A person who avows or declares something openly, often proudly or defiantly.

“The avouter of their rebellion against the government was arrested and put on trial.”