Interest; concern or attention directed toward a matter—used with expressions like 'to have interest in' or 'to pay attention to'.
多くの若者が環境問題に関心を持っている。
Many young people have an interest in environmental issues.
そのニュースは多くの人の関心を引いた。
That news attracted the interest of many people.
教育に関心があるなら、ボランティアに参加してみてください。
If you are interested in education, try joining a volunteer program.