This is the 978th most frequent Serbian word.
оснивач
Founder.
The word 'оснивач' is used here as a noun meaning 'founder', referring to someone who establishes or initiates an organization or entity.
Он је био оснивач ове организације.
He was the founder of this organization.
'Оснивач' is used in a possessive context to describe someone's role or position, indicating the responsibilities attached to founding a company.
Као оснивач, имам одговорност за развој компаније.
As a founder, I have a responsibility for the development of the company.
Here, 'оснивач' is referencing a historical figure, representing a person who has significantly contributed to establishing the foundation of the subject in discussion.