Definitions of assist:

• noun:   (sports) the act of enabling another player to make a good play
• noun:   the activity of contributing to the fulfillment of a need or furtherance of an effort or purpose

  Example: "He gave me an assist with the housework"

• verb:   act as an assistant in a subordinate or supportive function
• verb:   give help or assistance; be of service
• verb:   work for or be a servant to

  Example: "Is a salesperson assisting you?"