This is the 9951st most frequent Japanese word.
賛助
"賛助" means "support" or "assistance," often in the form of sponsorship or contribution.
In this sentence, '賛助者' (sponsor) denotes a person or entity providing support or sponsorship to an organization or cause.
この会の賛助者として活動しています。
I am actively participating as a sponsor of this association.
Here, '賛助' refers to the act of sponsoring or offering support, typically financial, for something like an event.
イベントの成功には多くの賛助が必要です。
The success of the event requires a lot of sponsorship.
In this case, '賛助金' (sponsorship funds) specifically indicates the financial contributions made as support or sponsorship.