This is the 783rd most frequent Croatian word.
svatko
"Everyone" or "anyone."
In this context, 'svatko' is used to mean 'every single person' who was present.
Na zabavi je bilo veselo jer je svatko pridonio atmosferi.
At the party, it was cheerful because everyone contributed to the atmosphere.
Here, 'svatko' means 'everyone' as a collective referring to all people.
Svatko ima pravo na sreću.
Everyone has the right to happiness.
Here, 'svatko' refers to 'each individual' within the group.