aid

Improve the condition of.

Give help or assistance; be of service.

The work of providing treatment for or attending to someone or something.

A person or thing that is a resource that helps make something easier or possible to do.

“visual aids in teaching”

The activity of contributing to the fulfillment of a need or furtherance of an effort or purpose.

“rescue party went to their aid”

Gift of money or other material help to support a person or cause.