This is the 4331st most frequent Japanese word.
加わり
"加わり" means "participation" or "joining."
In this sentence, "加わり" is used to mean "joined" or "participated in" as part of an activity or membership in a group.
スポーツクラブに加わり、健康を保っています。
I joined a sports club and keep healthy.
Here, "加わり" signifies the inclusion or addition of something to an ongoing process or collection, such as ideas in a discussion.
この議論に新たなアイデアが加わりました。
A new idea has been added to the discussion.
In this context, "加わり" expresses the desire to join or become a participant in a specific endeavor or project.