This is the 1102nd most frequent German word.
kümmern
To take care of or look after.
In this sentence, 'kümmern' means 'to take care of', implying responsibility for addressing problems.
Ich werde mich um die Probleme kümmern.
I will take care of the problems.
Here, 'kümmern' expresses a lack of concern or emotional involvement with something.
Es kümmert mich nicht, was andere Leute sagen.
I don’t care about what other people say.
In this sentence, 'kümmern' is used to denote looking after or attending to the needs of the dog.