Definitions

1. noun

in support of or on behalf of someone or something

“She acted on behalf of her company at the meeting.”

2. noun

a person who acts on behalf of someone else

“The lawyer spoke on behalf of her client.”

3. preposition

in support of or on behalf of someone or something

“The charity works on behalf of the homeless people.”

4. adverb

in support of or on behalf of someone or something

“The company operates on behalf of the government.”