This is the 819th most frequent Croatian word.
javnog
"Javnog" means "public" in English.
In this sentence, "javnog" is an adjective modifying "vijeća" (council), indicating it belongs to or is related to the public.
Ona je članica javnog vijeća.
She is a member of the public council.
In this context, "javnog" qualifies "natječaja" (tender), denoting that the tender is public.
Potrebno je zadovoljiti uvjete javnog natječaja.
It is necessary to meet the conditions of the public tender.
Here, "javnog" describes "fonda" (fund), specifying the fund as being public in nature.