διακονία/diakonia

This word is a type of action. It is a noun.

This word means service. It is used to talk about the action of serving someone.
It sometimes is used to talk about the actions of a person who is serving others as an official in the church.
It often is used to talk about actions of a common or humble nature, actions that a servant does for a master.
It sometimes is used to talk about serving food and drinks to people who are eating.
It sometimes is used to talk about the action of giving people what they need or doing for them what they need someone to do for them.
Some scholars think it can be used to talk about the physical objects such as food and clothing that official church servants give to people who need them.