I don't think that's quite true. Power and leverage is mutually exclusive with kindness help, and compassion. You need a certain amount of power in order to help anyone. Helping people can also give you leverage and power if they a) depend onyour help or b) it empowers you to create social relationships that are benificial to you.

Why do you think the US keeps sending aid to poor countries? Power and control. The implication is: you vote the way we tell you to vote in the UN, you trade or don't trade with whomever we tell you to.