How can I overpower Jackal

Hint 1 of 6:

Not by physical means. First, talk to him and get him out of the room.

Hint 2 of 6:

Use Bluff  Hassle  Help             +11

Hint 3 of 6:

Did you talk to Buzz Brezhnev after visiting Desire's dressing room ?

Hint 4 of 6:

Did you try to buy anything from him ?

Hint 5 of 6:

OFFER Cash    $300        +5

Hint 6 of 6:

USE KNOCKOUT CAPSULES on FOOD.     +10