English to English
1. as the agent of or on someone's part (usually expressed as
on behalf of|in behalf of|the guardian signed the contract on behalf of the minor child|this letter is written on behalf of my client
2. for someone's benefit (usually expressed as `in behalf' rather than `on behalf' and usually with a possessive)
in your behalf|campaigning in his own behalf|spoke a good word in his friend's behalf
3. Advantage; favor; stead; benefit; interest; profit; support; defense; vindication.