Contribution
Service
noun, する verb
When you approach to give something, you are probably giving a contribution.
きよ
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
後進国の発展に寄与したとして、ノーベル賞が授与された。
The Nobel Prize was awarded to them for their contribution to the development of less developed countries.
トーフグが世界平和に寄与していることを知っているかい？
Did you know that Tofugu is contributing to world peace?