за свои действия

for one's actions

→ за
phrase Rare #39,392
for one's actions Свои means “one's own” and refers back to the subject of the sentence.
RU: Каждый отвечает за свои действия.
EN: Everyone is responsible for their actions.

Вы ответите за свои действия.

You will be held accountable for your actions.

А раз взялся, так отвечай за свои действия!

And since you've taken it on, be responsible for your actions!

— Принцесса Мононоке (1997)

Я не намерен отвечать за свои действия.

I have no intention of being held responsible for my actions.