(v): give moral or psychological support, aid, or courage to
(v): act as an assistant in a subordinate or supportive function
(v): exert oneself by doing mental or physical work for a purpose or out of necessity
(v): work for or be a servant to
(n): the activity of contributing to the fulfillment of a need or furtherance of an effort or purpose
(n): any specific behavior
(n): (sports) the act of enabling another player to make a good play
(n): a deliberate coordinated movement requiring dexterity and skill
