What does 努める mean?
努める is a Japanese verb meaning “to try, to aim” in English. It is written as 努める in kanji, つとめる in hiragana, and tsutomeru in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
お手伝いさんたちは主人の命令を実行しようと努めた。
The servants tried to carry out their master's order.