Member
Membership
noun
If you meet enough members you will become a member yourself!
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
あの会員はかなり心配しょうのようなんです。
That member seems to be a huge worrywart.
見えないかもしれませんが、そこにもう一人小さな会員がいるんですよ。
You may not be able to see it, but there's one more little member over there.
会員カードはお持ちですか。
Do you have a membership card?