This is the 8133rd most frequent Swedish word.
aktar
"Akta" (verb) in Swedish means "to be careful" or "to take care" in English.
Here, 'aktar' is used reflexively with 'mig', meaning 'I take care' or 'I am cautious'.
Jag aktar mig för att gå där borta.
I take care not to walk over there.
In this sentence, 'aktar' means 'protects' or 'takes care', directed toward another entity.
Hon aktar katten från att skada sig.
She protects the cat from getting injured.
This usage is interrogative, asking whether someone is cautious or taking care in proximity to the dog.