This is the 904th most frequent Croatian word.
moram
"I must" or "I have to."
The word 'moram' is used here as a modal verb indicating necessity or obligation to perform the action of going.
Moram ići u trgovinu.
I have to go to the store.
The word 'moram' expresses a necessary requirement or obligation faced by the subject towards studying.
Zašto moram učiti tako puno?
Why do I have to study so much?
In this context, 'moram' conveys compulsion or a strong personal necessity to make an admission or statement.