They could be close family members who usually give unconditional support unless you have the envious and jealous variety, otherwise one has to assemble a team for support regardless of whether it is a professional or personal goal. Considering that most people want to be winners by their own right, and do not see the value of supporting anyone. Confusion reigns, all these conflicting desires and ambitions.
People including family have to be convinced that the only way they can win is through you. One has to show leadership and team building abilities, that applies to everybody in any position in life or in an organisation and not necessarily to CEOs and Senior management. One has to nurture and support back, being supported and being a supporter are not mutually exclusive.
Winning is about leadership and team building, about sharing a vision and a dream and most of all being attentive and supportive to the needs of one's supporting team.
Then everyone is a winner